2023

59 questions · IIT JAM

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2023

2023

59 questions · IIT JAM

Chemistry59 questions

Organic Reaction Mechanism and Synthetic ApplicationsChemistry · 12 questions Liquid StateChemistry · 2 questions ElectrochemistryChemistry · 2 questions Atomic and Molecular StructureChemistry · 4 questions Bioinorganic ChemistryChemistry · 2 questions Main Group ElementsChemistry · 2 questions Analytical ChemistryChemistry · 2 questions Aromatic and Heterocyclic ChemistryChemistry · 2 questions Basic Concepts and StereochemistryChemistry · 4 questions AdsorptionChemistry · 1 questions Chemical and Phase EquilibriaChemistry · 3 questions Gaseous StateChemistry · 1 questions Chemical KineticsChemistry · 3 questions Solid StateChemistry · 1 questions Transition MetalsChemistry · 6 questions Chemical Bonding and Shapes of MoleculesChemistry · 4 questions Qualitative Organic AnalysisChemistry · 2 questions Chemical ThermodynamicsChemistry · 3 questions Extractions of MetalsChemistry · 1 questions Natural Products ChemistryChemistry · 1 questions SpectroscopyChemistry · 1 questions

Q1.The structure of Q in the following reaction scheme is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q2.The major product of the reaction is (i) $CH_{2} I_{2}$ Zn-Cu (ii) Li, NH3 (liq.) (iii) $H_{3} O^{+}$ Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q3.The rate of addition of 1-hexyl radical to the given molecules follows the order Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q4.The major product of the reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q5.The diagram that best describes the variation of viscosity (η) of water with temperature at 1 atm is
Chemistry · Liquid State · MCQ
Q6.The SI unit of the molar conductivity of an electrolyte solution is
Chemistry · Electrochemistry · MCQ
Q7.The system with the lowest zero-point energy when it is confined to a one-dimensional box of length $L$ is
Chemistry · Atomic and Molecular Structure · MCQ
Q8.The metal ion present in human *carbonic anhydrase* is
Chemistry · Bioinorganic Chemistry · MCQ
Q9.The oxoacid of sulfur that has $S - O_{2} - S$ bond is
Chemistry · Main Group Elements · MCQ
Q10.An alkaline (NaOH) solution of a compound produces a yellow colored solution on addition of NaBO₃. The compound is
Chemistry · Analytical Chemistry · MCQ
Q12.The major product in the following reaction is Includes diagram
Chemistry · Aromatic and Heterocyclic Chemistry · MCQ
Q13.The most stable conformation of Y and that of Z are Includes diagram
Chemistry · Basic Concepts and Stereochemistry · MCQ
Q14.The major product **Y** in the following reaction scheme is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q15.The major product of the reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q16.The major product of the reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q17.Adsorption of a gas on a solid surface follows the Langmuir isotherm. If $k_{a} / k_{d} = 1.0$ bar $^{- 1}$ , the fraction of adsorption sites occupied by the gas at equilibrium under 2.0 bar pressure of the gas at 25 °C is ( $k_{a}$ and $k_{d}$ are…
Chemistry · Adsorption · MCQ
Q18.The vapor pressure of a dilute solution of a non-volatile solute and the vapor pressure of the pure solvent at the same temperature are $P$ and $P^{*}$ , respectively. $\frac{P ^{*} - P}{P ^{*}} is equal to$ (Assume that the vapor phase…
Chemistry · Chemical and Phase Equilibria · MCQ
Q19.The volume of water (in mL) required to be added to a 100 mL solution (aq. 0.1 M) of a weak acid (HA) at 25 °C to double its degree of dissociation is [Given: $K_{a}$ of HA at 25 °C = $1.8 \times 1 0^{- 5}$ ]
Chemistry · Chemical and Phase Equilibria · MCQ
Q20.The following diagram is obtained in a pH-metric titration of a weak dibasic acid (H₂A) with a strong base. The point that best represents [HA⁻] = [A⁻²] is Includes diagram
Chemistry · Chemical and Phase Equilibria · MCQ
Q21.Equal number of gas molecules **A** (mass $m$ and radius $r$ ) and **B** (mass $2 m$ and radius $2 r$ ) are placed in two separate containers of equal volume. At a given temperature, the ratio of the collision frequency of **B** to that of…
Chemistry · Gaseous State · MCQ
Q22.For the given elementary reactions, the steady-state concentration of X is $2 P k_{1} X k_{4} ⇌ k_{2} Q + R ↓ S$
Chemistry · Chemical Kinetics · MCQ
Q23.The separation (in nm) of {134} planes of an orthorhombic unit cell (with cell parameters a = 0.5 nm, b = 0.6 nm, and c = 0.8 nm) is
Chemistry · Solid State · MCQ
Q24.The transition metal (M) complex that can have all isomers (geometric, linkage, and ionization) is
Chemistry · Transition Metals · MCQ
Q25.The geometry of [VO(acac) $_{2}$ ] is
Chemistry · Transition Metals · MCQ
Q26.The products **X** and **Y** in the following reaction sequence, respectively, are $BCl_{3} NH_{4} Cl in C_{6} H_{5} Cl 15 0^{\circ} C X NaBH_{4} NaBH_{4} Y$
Chemistry · Main Group Elements · MCQ
Q27.The correct order of the energy of the d orbitals of a square planar complex is
Chemistry · Transition Metals · MCQ
Q28.X and Y in the following reactions, respectively, are $EtOH + 2 H_{2} SO_{4} \to X + H_{3} O^{+} + HSO_{4}^{-} HNO_{3} + 2 H_{2} SO_{4} \to Y + H_{3} O^{+} + 2 HSO_{4}^{-}$ …
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q29.The correct order of energy levels of the molecular orbitals of $N_{2}$ is
Chemistry · Chemical Bonding and Shapes of Molecules · MCQ
Q30.Free heme in aqueous solution when exposed to dioxygen is finally converted to (circle around iron in the given choices represents the protoporphyrin IX)
Chemistry · Bioinorganic Chemistry · MCQ
Q31.Correct statement(s) about Q and R is/are Includes diagram
Chemistry · Qualitative Organic Analysis · Multiple correct
Q32.The correct statement(s) is/are
Chemistry · Basic Concepts and Stereochemistry · Multiple correct
Q33.The reaction(s) that yield(s) Ph-CH2-CH2-CO2Me as the major product is/are
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Multiple correct
Q34.The correct option(s) of the reagents required for the following reaction is/are Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Multiple correct
Q35.The reaction(s) that yield(s) 1-naphthol as the major product is/are
Chemistry · Aromatic and Heterocyclic Chemistry · Multiple correct
Q36.The correct relation(s) for an ideal gas in a closed system is/are
Chemistry · Chemical Thermodynamics · Multiple correct
Q37.The molecule(s) that follow(s) $I_{a} < I_{b} = I_{c}$ ( $I_{a}$ , $I_{b}$ , and $I_{c}$ are the principal moments of inertia) is/are
Chemistry · Atomic and Molecular Structure · Multiple correct
Q38.The role(s) of fluorspar in the electrolytic reduction of $Al_{2} O_{3}$ is/are to
Chemistry · Extractions of Metals · Multiple correct
Q39.The correct statement(s) about the complexes **I** (K₃[CoF₆]) and **II** (K₃[RhF₆]) is/are
Chemistry · Transition Metals · Multiple correct
Q40.The diatomic molecule(s) that has/have bond order of one is/are
Chemistry · Chemical Bonding and Shapes of Molecules · Multiple correct
Q41.The molecular weight of the major product of the reaction is (in integer). (i) Br₂ (excess), CH₃CO₂H (ii) Sn/HCl (iii) NaNO₂/HCl (excess), 0 °C (iv) CuBr (excess) [Given: atomic weight of H = 1, C = 12, N = 14,… Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Numerical
Q42.A 0.06 g/mL solution of (S)-1-phenylethanol placed in a 5 cm long polarimeter tube shows an optical rotation of 1.2°. The specific rotation is °. (round off to the nearest integer)
Chemistry · Basic Concepts and Stereochemistry · Numerical
Q43.The isoelectric point of glutamic acid is (round off to two decimal places) Includes diagram
Chemistry · Natural Products Chemistry · Numerical
Q44.Consider the following reaction: $2 C_{6} H_{6} + 15 O_{2} \to 12 CO_{2} + 6 H_{2} O Δ_{r} H_{298}^{0} = - 3120 kJ mol^{- 1} .$ A closed…
Chemistry · Chemical Thermodynamics · Numerical
Q45.For the elementary reaction $C \leftarrow k_{2} A \to k_{1} B, k_{1} = 2 k_{2}$ . At time $t = 0$ , $[A] = A_{0}$ and $[B] = [C] = 0$ . At a later time $t$ ,…
Chemistry · Chemical Kinetics · Numerical
Q46.The highest possible energy of a photon in the emission spectrum of hydrogen atom is eV. [Given: Rydberg constant = 13.61 eV] (round off to two decimal places)
Chemistry · Atomic and Molecular Structure · Numerical
Q47.The standard reduction potential ( $E^{0}$ ) of Fe $^{3 +} \to$ Fe is V. [Given: Fe $^{3 +} \to$ Fe $^{2 +} E^{0}$ = 0.77 V and Fe $^{2 +} \to$ Fe $E^{0}$ = -0.44 V] (round off to three decimal places)
Chemistry · Electrochemistry · Numerical
Q48.The number of valence electrons in Na $_{2}$ [Fe(CO) $_{4}$ ] (the Colman's reagent) is .
Chemistry · Transition Metals · Numerical
Q49.In the Born-Haber cycle, the heat of formation of CuCl is kJ/mol. [Given: Heat of atomization of Cu = +338 kJ/mol, Ionization energy of Cu = +746 kJ/mol, Heat of atomization of Cl $_{2}$ = +121 kJ/mol, Electron…
Chemistry · Chemical Bonding and Shapes of Molecules · Numerical
Q50.The spin-only magnetic moment of B $_{2}$ molecule is $μ_{B}$ . (round off to two decimal places)
Chemistry · Chemical Bonding and Shapes of Molecules · Numerical
Q51.The sum of the total number of stereoisomers (including enantiomers) present in the following molecules is . Includes diagram
Chemistry · Basic Concepts and Stereochemistry · Numerical
Q52.The number of singlets observed in the $^{1}$ H NMR spectrum of P is .
Chemistry · Qualitative Organic Analysis · Numerical
Q53.When a glass capillary tube is dipped in water, a 1.0 cm rise in the water level is observed at 18 °C. The internal radius of the capillary is cm.
Chemistry · Liquid State · Numerical
Q54.The volume of 2.0 mol of an ideal gas is reduced to half isothermally at 300 K in a closed system. The value of ΔG is kJ.
Chemistry · Chemical Thermodynamics · Numerical
Q55.The harmonic vibrational frequency of a diatomic molecule is 2000 cm⁻¹. Its zero-point energy is eV.
Chemistry · Spectroscopy · Numerical
Q56.An elementary reaction 2A → P follows a second order rate law with rate constant 2.5 × 10⁻³ dm³ mol⁻¹ s⁻¹. The time required for the concentration of A to change from 0.4 mol dm⁻³ to 0.2 mol dm⁻³ is s.
Chemistry · Chemical Kinetics · Numerical
Q57.The following diagram shows the kinetic energy of the ejected photoelectrons against the energy of incident radiation for two metal surfaces M₁ and M₂. If the energy of the incident radiation on M₁ is equal to the work function of M₂, the…
Chemistry · Atomic and Molecular Structure · Numerical
Q58.The spin-only magnetic moment of [Fe(acac)₃] is μB.
Chemistry · Transition Metals · Numerical
Q59.The amount of ethane produced in the following reaction is kg. $C_{2} H_{4} (2 kg) + H_{2} (2 kg) Wilkinson’s Catalyst C_{2} H_{6} (90% catalytic conversion)$ …
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Numerical
Q60.In a gravimetric estimation of Al, a sample of $0.1000 g AlCl_{3}$ is precipitated with 8-hydroxyquinoline. The weight of the precipitate is g.
Chemistry · Analytical Chemistry · Numerical

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2023

59 questions · IIT JAM

Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.

PYQ Library
IIT JAM
Papers
2023

2023

59 questions · IIT JAM

Chemistry59 questions

Organic Reaction Mechanism and Synthetic ApplicationsChemistry · 12 questions Liquid StateChemistry · 2 questions ElectrochemistryChemistry · 2 questions Atomic and Molecular StructureChemistry · 4 questions Bioinorganic ChemistryChemistry · 2 questions Main Group ElementsChemistry · 2 questions Analytical ChemistryChemistry · 2 questions Aromatic and Heterocyclic ChemistryChemistry · 2 questions Basic Concepts and StereochemistryChemistry · 4 questions AdsorptionChemistry · 1 questions Chemical and Phase EquilibriaChemistry · 3 questions Gaseous StateChemistry · 1 questions Chemical KineticsChemistry · 3 questions Solid StateChemistry · 1 questions Transition MetalsChemistry · 6 questions Chemical Bonding and Shapes of MoleculesChemistry · 4 questions Qualitative Organic AnalysisChemistry · 2 questions Chemical ThermodynamicsChemistry · 3 questions Extractions of MetalsChemistry · 1 questions Natural Products ChemistryChemistry · 1 questions SpectroscopyChemistry · 1 questions

Q1.The structure of Q in the following reaction scheme is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q2.The major product of the reaction is (i) $CH_{2} I_{2}$ Zn-Cu (ii) Li, NH3 (liq.) (iii) $H_{3} O^{+}$ Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q3.The rate of addition of 1-hexyl radical to the given molecules follows the order Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q4.The major product of the reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q5.The diagram that best describes the variation of viscosity (η) of water with temperature at 1 atm is
Chemistry · Liquid State · MCQ
Q6.The SI unit of the molar conductivity of an electrolyte solution is
Chemistry · Electrochemistry · MCQ
Q7.The system with the lowest zero-point energy when it is confined to a one-dimensional box of length $L$ is
Chemistry · Atomic and Molecular Structure · MCQ
Q8.The metal ion present in human *carbonic anhydrase* is
Chemistry · Bioinorganic Chemistry · MCQ
Q9.The oxoacid of sulfur that has $S - O_{2} - S$ bond is
Chemistry · Main Group Elements · MCQ
Q10.An alkaline (NaOH) solution of a compound produces a yellow colored solution on addition of NaBO₃. The compound is
Chemistry · Analytical Chemistry · MCQ
Q12.The major product in the following reaction is Includes diagram
Chemistry · Aromatic and Heterocyclic Chemistry · MCQ
Q13.The most stable conformation of Y and that of Z are Includes diagram
Chemistry · Basic Concepts and Stereochemistry · MCQ
Q14.The major product **Y** in the following reaction scheme is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q15.The major product of the reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q16.The major product of the reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q17.Adsorption of a gas on a solid surface follows the Langmuir isotherm. If $k_{a} / k_{d} = 1.0$ bar $^{- 1}$ , the fraction of adsorption sites occupied by the gas at equilibrium under 2.0 bar pressure of the gas at 25 °C is ( $k_{a}$ and $k_{d}$ are…
Chemistry · Adsorption · MCQ
Q18.The vapor pressure of a dilute solution of a non-volatile solute and the vapor pressure of the pure solvent at the same temperature are $P$ and $P^{*}$ , respectively. $\frac{P ^{*} - P}{P ^{*}} is equal to$ (Assume that the vapor phase…
Chemistry · Chemical and Phase Equilibria · MCQ
Q19.The volume of water (in mL) required to be added to a 100 mL solution (aq. 0.1 M) of a weak acid (HA) at 25 °C to double its degree of dissociation is [Given: $K_{a}$ of HA at 25 °C = $1.8 \times 1 0^{- 5}$ ]
Chemistry · Chemical and Phase Equilibria · MCQ
Q20.The following diagram is obtained in a pH-metric titration of a weak dibasic acid (H₂A) with a strong base. The point that best represents [HA⁻] = [A⁻²] is Includes diagram
Chemistry · Chemical and Phase Equilibria · MCQ
Q21.Equal number of gas molecules **A** (mass $m$ and radius $r$ ) and **B** (mass $2 m$ and radius $2 r$ ) are placed in two separate containers of equal volume. At a given temperature, the ratio of the collision frequency of **B** to that of…
Chemistry · Gaseous State · MCQ
Q22.For the given elementary reactions, the steady-state concentration of X is $2 P k_{1} X k_{4} ⇌ k_{2} Q + R ↓ S$
Chemistry · Chemical Kinetics · MCQ
Q23.The separation (in nm) of {134} planes of an orthorhombic unit cell (with cell parameters a = 0.5 nm, b = 0.6 nm, and c = 0.8 nm) is
Chemistry · Solid State · MCQ
Q24.The transition metal (M) complex that can have all isomers (geometric, linkage, and ionization) is
Chemistry · Transition Metals · MCQ
Q25.The geometry of [VO(acac) $_{2}$ ] is
Chemistry · Transition Metals · MCQ
Q26.The products **X** and **Y** in the following reaction sequence, respectively, are $BCl_{3} NH_{4} Cl in C_{6} H_{5} Cl 15 0^{\circ} C X NaBH_{4} NaBH_{4} Y$
Chemistry · Main Group Elements · MCQ
Q27.The correct order of the energy of the d orbitals of a square planar complex is
Chemistry · Transition Metals · MCQ
Q28.X and Y in the following reactions, respectively, are $EtOH + 2 H_{2} SO_{4} \to X + H_{3} O^{+} + HSO_{4}^{-} HNO_{3} + 2 H_{2} SO_{4} \to Y + H_{3} O^{+} + 2 HSO_{4}^{-}$ …
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q29.The correct order of energy levels of the molecular orbitals of $N_{2}$ is
Chemistry · Chemical Bonding and Shapes of Molecules · MCQ
Q30.Free heme in aqueous solution when exposed to dioxygen is finally converted to (circle around iron in the given choices represents the protoporphyrin IX)
Chemistry · Bioinorganic Chemistry · MCQ
Q31.Correct statement(s) about Q and R is/are Includes diagram
Chemistry · Qualitative Organic Analysis · Multiple correct
Q32.The correct statement(s) is/are
Chemistry · Basic Concepts and Stereochemistry · Multiple correct
Q33.The reaction(s) that yield(s) Ph-CH2-CH2-CO2Me as the major product is/are
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Multiple correct
Q34.The correct option(s) of the reagents required for the following reaction is/are Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Multiple correct
Q35.The reaction(s) that yield(s) 1-naphthol as the major product is/are
Chemistry · Aromatic and Heterocyclic Chemistry · Multiple correct
Q36.The correct relation(s) for an ideal gas in a closed system is/are
Chemistry · Chemical Thermodynamics · Multiple correct
Q37.The molecule(s) that follow(s) $I_{a} < I_{b} = I_{c}$ ( $I_{a}$ , $I_{b}$ , and $I_{c}$ are the principal moments of inertia) is/are
Chemistry · Atomic and Molecular Structure · Multiple correct
Q38.The role(s) of fluorspar in the electrolytic reduction of $Al_{2} O_{3}$ is/are to
Chemistry · Extractions of Metals · Multiple correct
Q39.The correct statement(s) about the complexes **I** (K₃[CoF₆]) and **II** (K₃[RhF₆]) is/are
Chemistry · Transition Metals · Multiple correct
Q40.The diatomic molecule(s) that has/have bond order of one is/are
Chemistry · Chemical Bonding and Shapes of Molecules · Multiple correct
Q41.The molecular weight of the major product of the reaction is (in integer). (i) Br₂ (excess), CH₃CO₂H (ii) Sn/HCl (iii) NaNO₂/HCl (excess), 0 °C (iv) CuBr (excess) [Given: atomic weight of H = 1, C = 12, N = 14,… Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Numerical
Q42.A 0.06 g/mL solution of (S)-1-phenylethanol placed in a 5 cm long polarimeter tube shows an optical rotation of 1.2°. The specific rotation is °. (round off to the nearest integer)
Chemistry · Basic Concepts and Stereochemistry · Numerical
Q43.The isoelectric point of glutamic acid is (round off to two decimal places) Includes diagram
Chemistry · Natural Products Chemistry · Numerical
Q44.Consider the following reaction: $2 C_{6} H_{6} + 15 O_{2} \to 12 CO_{2} + 6 H_{2} O Δ_{r} H_{298}^{0} = - 3120 kJ mol^{- 1} .$ A closed…
Chemistry · Chemical Thermodynamics · Numerical
Q45.For the elementary reaction $C \leftarrow k_{2} A \to k_{1} B, k_{1} = 2 k_{2}$ . At time $t = 0$ , $[A] = A_{0}$ and $[B] = [C] = 0$ . At a later time $t$ ,…
Chemistry · Chemical Kinetics · Numerical
Q46.The highest possible energy of a photon in the emission spectrum of hydrogen atom is eV. [Given: Rydberg constant = 13.61 eV] (round off to two decimal places)
Chemistry · Atomic and Molecular Structure · Numerical
Q47.The standard reduction potential ( $E^{0}$ ) of Fe $^{3 +} \to$ Fe is V. [Given: Fe $^{3 +} \to$ Fe $^{2 +} E^{0}$ = 0.77 V and Fe $^{2 +} \to$ Fe $E^{0}$ = -0.44 V] (round off to three decimal places)
Chemistry · Electrochemistry · Numerical
Q48.The number of valence electrons in Na $_{2}$ [Fe(CO) $_{4}$ ] (the Colman's reagent) is .
Chemistry · Transition Metals · Numerical
Q49.In the Born-Haber cycle, the heat of formation of CuCl is kJ/mol. [Given: Heat of atomization of Cu = +338 kJ/mol, Ionization energy of Cu = +746 kJ/mol, Heat of atomization of Cl $_{2}$ = +121 kJ/mol, Electron…
Chemistry · Chemical Bonding and Shapes of Molecules · Numerical
Q50.The spin-only magnetic moment of B $_{2}$ molecule is $μ_{B}$ . (round off to two decimal places)
Chemistry · Chemical Bonding and Shapes of Molecules · Numerical
Q51.The sum of the total number of stereoisomers (including enantiomers) present in the following molecules is . Includes diagram
Chemistry · Basic Concepts and Stereochemistry · Numerical
Q52.The number of singlets observed in the $^{1}$ H NMR spectrum of P is .
Chemistry · Qualitative Organic Analysis · Numerical
Q53.When a glass capillary tube is dipped in water, a 1.0 cm rise in the water level is observed at 18 °C. The internal radius of the capillary is cm.
Chemistry · Liquid State · Numerical
Q54.The volume of 2.0 mol of an ideal gas is reduced to half isothermally at 300 K in a closed system. The value of ΔG is kJ.
Chemistry · Chemical Thermodynamics · Numerical
Q55.The harmonic vibrational frequency of a diatomic molecule is 2000 cm⁻¹. Its zero-point energy is eV.
Chemistry · Spectroscopy · Numerical
Q56.An elementary reaction 2A → P follows a second order rate law with rate constant 2.5 × 10⁻³ dm³ mol⁻¹ s⁻¹. The time required for the concentration of A to change from 0.4 mol dm⁻³ to 0.2 mol dm⁻³ is s.
Chemistry · Chemical Kinetics · Numerical
Q57.The following diagram shows the kinetic energy of the ejected photoelectrons against the energy of incident radiation for two metal surfaces M₁ and M₂. If the energy of the incident radiation on M₁ is equal to the work function of M₂, the…
Chemistry · Atomic and Molecular Structure · Numerical
Q58.The spin-only magnetic moment of [Fe(acac)₃] is μB.
Chemistry · Transition Metals · Numerical
Q59.The amount of ethane produced in the following reaction is kg. $C_{2} H_{4} (2 kg) + H_{2} (2 kg) Wilkinson’s Catalyst C_{2} H_{6} (90% catalytic conversion)$ …
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Numerical
Q60.In a gravimetric estimation of Al, a sample of $0.1000 g AlCl_{3}$ is precipitated with 8-hydroxyquinoline. The weight of the precipitate is g.
Chemistry · Analytical Chemistry · Numerical