2018

57 questions · IIT JAM

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IIT JAM
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2018

2018

57 questions · IIT JAM

Chemistry57 questions

Q1.On hydrolysis, aluminium carbide produces
Chemistry · Main Group Elements · MCQ
Q2.Carbonic anhydrase is an example of
Chemistry · Bioinorganic Chemistry · MCQ
Q3.The CORRECT order of melting points of group 15 trifluorides is
Chemistry · Main Group Elements · MCQ
Q4.NaF, KF, MgO and CaO are crystalline solids. They have NaCl structure. Their lattice energies vary in the order
Chemistry · Chemical Bonding and Shapes of Molecules · MCQ
Q5.The major product formed in the following reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q6.The compound that contains the most acidic hydrogen is
Chemistry · Basic Concepts and Stereochemistry · MCQ
Q7.The C-2 epimer of D-glucose is
Chemistry · Natural Products Chemistry · MCQ
Q8.The value of integral $\int_{- 2}^{+ 2} x e^{- 2 x^{2}} d x$ is
Chemistry · Integrals · MCQ
Q9.The number of crystal systems and the number of Bravais lattices are, respectively,
Chemistry · Solid State · MCQ
Q10.For adsorption of a gas on a solid surface, the plot that represents Freundlich isotherm is $(x = mass of gas, m = mass of adsorbent, P = pressure)$
Chemistry · Adsorption · MCQ
Q11.With respect to periodic properties, the **CORRECT** statement is
Chemistry · Periodic Table · MCQ
Q12.Which plot represents a spectrophotometric titration, where the titrant alone absorbs light in the visible region?
Chemistry · Analytical Chemistry · MCQ
Q13.Among the following metal carbonyl species, the one with the highest metal-carbon back bonding is
Chemistry · Transition Metals · MCQ
Q14.The CORRECT order of $Δ_{o}$ (the octahedral crystal field splitting of d orbitals) values for the following anionic metal complexes is
Chemistry · Transition Metals · MCQ
Q15.The decay modes of $^{14} C$ and $^{14} O$ are
Chemistry · Analytical Chemistry · MCQ
Q16.Consider the following four xenon compounds: XeF₂, XeF₄, XeF₆ and XeO₃ The pair of xenon compounds expected to have non-zero dipole moment is
Chemistry · Chemical Bonding and Shapes of Molecules · MCQ
Q17.The CORRECT order of stability for the following carbocations is I II III IV Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q20.The product $X$ in the following reaction sequence is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q21.The major product formed in the following reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q22.The major products Y and Z in the following reaction sequence are Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q23.The CORRECT order of carbonyl stretching frequencies for the following compounds is Includes diagram
Chemistry · Qualitative Organic Analysis · MCQ
Q24.The sequence of three steps involved in the following conversion is Includes diagram
Chemistry · Aromatic and Heterocyclic Chemistry · MCQ
Q25.The CORRECT expression that corresponds to reversible and adiabatic expansion of an ideal gas is
Chemistry · Chemical Thermodynamics · MCQ
Q27.The reaction, A $⟶$ Products, follows first-order kinetics. If [A] represents the concentration of reactant at time $t$ , the INCORRECT variation is shown in
Chemistry · Chemical Kinetics · MCQ
Q28.The behavior of Cl₂ is closest to ideal gas behavior at
Chemistry · Gaseous State · MCQ
Q29.A vector $A = i + x j + 3 k$ is rotated through an angle and is also doubled in magnitude resulting in $B = 4 i + (4 x - 2) j + 2 k$ . An acceptable value of $x$ is
Chemistry · Vectors and Matrices · MCQ
Q30.With reference to the variation of molar conductivity ( $Λ_{m}$ ) with concentration for a strong electrolyte in an aqueous solution, the **CORRECT** statement is
Chemistry · Electrochemistry · MCQ
Q31.Which of the following metal(s) is(are) extracted from its(their) sulfide ore(s) by self-reduction/air reduction method?
Chemistry · Extractions of Metals · Multiple correct
Q32.In a saturated calomel electrode, the saturation is with respect to
Chemistry · Analytical Chemistry · Multiple correct
Q33.Consider the following six solid binary oxides: CaO, Al₂O₃, PbO, Cs₂O, SiO₂ and Sb₂O₃. The pair(s) of ionic oxides is(are)
Chemistry · Chemical Bonding and Shapes of Molecules · Multiple correct
Q34.Choose the CORRECT answer(s) with respect to the magnesium-EDTA titration carried out in the pH range 7 – 10.5, using Solochrome black as indicator
Chemistry · Analytical Chemistry · Multiple correct
Q35.On reaction with NaNO₂ and HCl, which of the following amino alcohol(s) will yield compound P? Includes diagram
Chemistry · Natural Products Chemistry · Multiple correct
Q36.The CORRECT statement(s) about carbene is(are)
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Multiple correct
Q37.The compound(s) that shows(show) positive haloform test is(are)
Chemistry · Qualitative Organic Analysis · Multiple correct
Q38.Tetrapeptide(s) that gives(give) the following product on reaction with Sanger's reagent followed by hydrolysis is(are) Includes diagram
Chemistry · Natural Products Chemistry · Multiple correct
Q39.Which of the following set(s) of quantum numbers is(are) NOT allowed?
Chemistry · Atomic and Molecular Structure · Multiple correct
Q40.The CORRECT expression(s) for isothermal expansion of 1 mol of an ideal gas is(are)
Chemistry · Chemical Thermodynamics · Multiple correct
Q41.The number of possible isomers for [Pt(py)(NH₃)BrCl] is . (py is pyridine)
Chemistry · Transition Metals · Numerical
Q42.The volume of 0.3 M ferrous ammonium sulphate solution required for the completion of redox titration with 20 mL of 0.1 M potassium dichromate solution is mL.
Chemistry · Analytical Chemistry · Numerical
Q43.Among the following hydrocarbon(s), how many of them would give rise to three groups of proton NMR peaks with 2:2:3 integration ratio? Includes diagram
Chemistry · Qualitative Organic Analysis · Numerical
Q44.The number of stereoisomers possible for the following compound is $Ph - CH - CH - Ph$ $OH OH$ $
Chemistry · Basic Concepts and Stereochemistry · Numerical
Q45.The number of hydrogen bond(s) present in a guanine-cytosine base pair is
Chemistry · Natural Products Chemistry · Numerical
Q46.The time for 50% completion of a zero order reaction is 30 min. Time for 80% completion of this reaction is
Chemistry · Chemical Kinetics · Numerical
Q47.Consider the reaction $C O (g) + \frac{1}{2} O_{2} (g) ⟶ C O_{2} (g)$ . The value of $Δ U$ for the reaction at 300 K is -281.8 kJ mol $^{- 1}$ . The value of $Δ H$ at same temperature is kJ mol $^{- 1}$ (rounded up to the…
Chemistry · Chemical Thermodynamics · Numerical
Q48.The nuclear spin quantum number (I) of a nucleus is $\frac{3}{2}$ . When placed in an external magnetic field, the number of possible spin energy states it can occupy is
Chemistry · Atomic and Molecular Structure · Numerical
Q49.The value of $C_{v}$ for 1 mol of N $_{2}$ gas predicted from the principle of equipartition of energy, ignoring vibrational contribution, is J K $^{- 1}$ mol $^{- 1}$ (rounded up to two decimal places). $[R = 8.3 JK^{- 1} mol^{- 1}]$ …
Chemistry · Gaseous State · Numerical
Q50.Assuming ideal gas behavior, the density of O $_{2}$ gas at 300 K and 1.0 atm is g L $^{- 1}$ (rounded up to two decimal places). $[R = 0.082 L atm mol^{- 1} K^{- 1}, molar mass of O_{2} = 32]$
Chemistry · Gaseous State · Numerical
Q51.How many of the following interhalogen species have 2 lone pairs of electrons on the central atom? $ClF_{3}, ClF_{2}^{-}, ClF_{5} and ICl_{2}^{+}$
Chemistry · Main Group Elements · Numerical
Q52. $^{24} Na$ decays to one-fourth of its initial amount in 29.8 hours. Its decay constant is hour $^{- 1}$ (rounded up to four decimal places).
Chemistry · Analytical Chemistry · Numerical
Q53.The magnitude of crystal field stabilization energy (CFSE) of octahedral $[Ti (H_{2} O)_{6}]^{3 +}$ complex is 7680 cm $^{- 1}$ . The wavelength at the maximum absorption ( $λ_{max}$ ) of this complex is nm…
Chemistry · Transition Metals · Numerical
Q54.Elemental analysis of an organic compound containing C, H and O gives percentage composition: C: 39.9% and H: 6.7%. If the molecular weight of the compound is 180, the number of carbon atoms present in the molecule is
Chemistry · Qualitative Organic Analysis · Numerical
Q55.The number of compounds having S-configuration among the following is Includes diagram
Chemistry · Basic Concepts and Stereochemistry · Numerical
Q56.The *emf* of a standard cadmium cell is 1.02 V at 300 K. The temperature coefficient of the cell is $- 5.0 \times 1 0^{- 5}$ V K $^{- 1}$ . The value of $Δ H^{\circ}$ for the cell is kJ mol $^{- 1}$ (rounded up to…
Chemistry · Electrochemistry · Numerical
Q57.For the reaction $H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (l)$ , the following information is given T = 300 K $Δ \overset{ˉ}{H}^{\circ} = - 285$ kJ mol $^{- 1} \overset{ˉ}{S}_{H_{2} O}^{\circ} (l) = 70$ J K $^{- 1}$ mol $^{- 1} \overset{ˉ}{S}_{O_{2}}^{\circ} (g) = 204$ …
Chemistry · Chemical Thermodynamics · Numerical
Q58.For H $_{2}$ molecule, the fundamental vibrational frequency ( $\overset{υ}{ˉ}_{e}$ ) can be taken as 4400 cm $^{- 1}$ . The zero-point energy of the molecule is kJ mol $^{- 1}$ (rounded up to two decimal places). [h =…
Chemistry · Spectroscopy · Numerical
Q59.The solubility of PbI $_{2}$ in 0.10 M KI(aq) is $\times$ 10 $^{- 7}$ M (rounded up to two decimal places). [The solubility product, $K_{s p} = 7.1 \times 1 0^{- 9}$ ]
Chemistry · Chemical and Phase Equilibria · Numerical
Q60.The electron of a hydrogen atom is in its $n^{t h}$ Bohr orbit having de Broglie wavelength of 13.4 Å. The value of $n$ is (rounded up to the nearest integer). [Radius of $n^{t h}$ Bohr orbit = 0.53 $n^{2}$ Å, $π$ …
Chemistry · Atomic and Molecular Structure · Numerical

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2018

57 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
2018

2018

57 questions · IIT JAM

Chemistry57 questions

Q1.On hydrolysis, aluminium carbide produces
Chemistry · Main Group Elements · MCQ
Q2.Carbonic anhydrase is an example of
Chemistry · Bioinorganic Chemistry · MCQ
Q3.The CORRECT order of melting points of group 15 trifluorides is
Chemistry · Main Group Elements · MCQ
Q4.NaF, KF, MgO and CaO are crystalline solids. They have NaCl structure. Their lattice energies vary in the order
Chemistry · Chemical Bonding and Shapes of Molecules · MCQ
Q5.The major product formed in the following reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q6.The compound that contains the most acidic hydrogen is
Chemistry · Basic Concepts and Stereochemistry · MCQ
Q7.The C-2 epimer of D-glucose is
Chemistry · Natural Products Chemistry · MCQ
Q8.The value of integral $\int_{- 2}^{+ 2} x e^{- 2 x^{2}} d x$ is
Chemistry · Integrals · MCQ
Q9.The number of crystal systems and the number of Bravais lattices are, respectively,
Chemistry · Solid State · MCQ
Q10.For adsorption of a gas on a solid surface, the plot that represents Freundlich isotherm is $(x = mass of gas, m = mass of adsorbent, P = pressure)$
Chemistry · Adsorption · MCQ
Q11.With respect to periodic properties, the **CORRECT** statement is
Chemistry · Periodic Table · MCQ
Q12.Which plot represents a spectrophotometric titration, where the titrant alone absorbs light in the visible region?
Chemistry · Analytical Chemistry · MCQ
Q13.Among the following metal carbonyl species, the one with the highest metal-carbon back bonding is
Chemistry · Transition Metals · MCQ
Q14.The CORRECT order of $Δ_{o}$ (the octahedral crystal field splitting of d orbitals) values for the following anionic metal complexes is
Chemistry · Transition Metals · MCQ
Q15.The decay modes of $^{14} C$ and $^{14} O$ are
Chemistry · Analytical Chemistry · MCQ
Q16.Consider the following four xenon compounds: XeF₂, XeF₄, XeF₆ and XeO₃ The pair of xenon compounds expected to have non-zero dipole moment is
Chemistry · Chemical Bonding and Shapes of Molecules · MCQ
Q17.The CORRECT order of stability for the following carbocations is I II III IV Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q20.The product $X$ in the following reaction sequence is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q21.The major product formed in the following reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q22.The major products Y and Z in the following reaction sequence are Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q23.The CORRECT order of carbonyl stretching frequencies for the following compounds is Includes diagram
Chemistry · Qualitative Organic Analysis · MCQ
Q24.The sequence of three steps involved in the following conversion is Includes diagram
Chemistry · Aromatic and Heterocyclic Chemistry · MCQ
Q25.The CORRECT expression that corresponds to reversible and adiabatic expansion of an ideal gas is
Chemistry · Chemical Thermodynamics · MCQ
Q27.The reaction, A $⟶$ Products, follows first-order kinetics. If [A] represents the concentration of reactant at time $t$ , the INCORRECT variation is shown in
Chemistry · Chemical Kinetics · MCQ
Q28.The behavior of Cl₂ is closest to ideal gas behavior at
Chemistry · Gaseous State · MCQ
Q29.A vector $A = i + x j + 3 k$ is rotated through an angle and is also doubled in magnitude resulting in $B = 4 i + (4 x - 2) j + 2 k$ . An acceptable value of $x$ is
Chemistry · Vectors and Matrices · MCQ
Q30.With reference to the variation of molar conductivity ( $Λ_{m}$ ) with concentration for a strong electrolyte in an aqueous solution, the **CORRECT** statement is
Chemistry · Electrochemistry · MCQ
Q31.Which of the following metal(s) is(are) extracted from its(their) sulfide ore(s) by self-reduction/air reduction method?
Chemistry · Extractions of Metals · Multiple correct
Q32.In a saturated calomel electrode, the saturation is with respect to
Chemistry · Analytical Chemistry · Multiple correct
Q33.Consider the following six solid binary oxides: CaO, Al₂O₃, PbO, Cs₂O, SiO₂ and Sb₂O₃. The pair(s) of ionic oxides is(are)
Chemistry · Chemical Bonding and Shapes of Molecules · Multiple correct
Q34.Choose the CORRECT answer(s) with respect to the magnesium-EDTA titration carried out in the pH range 7 – 10.5, using Solochrome black as indicator
Chemistry · Analytical Chemistry · Multiple correct
Q35.On reaction with NaNO₂ and HCl, which of the following amino alcohol(s) will yield compound P? Includes diagram
Chemistry · Natural Products Chemistry · Multiple correct
Q36.The CORRECT statement(s) about carbene is(are)
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Multiple correct
Q37.The compound(s) that shows(show) positive haloform test is(are)
Chemistry · Qualitative Organic Analysis · Multiple correct
Q38.Tetrapeptide(s) that gives(give) the following product on reaction with Sanger's reagent followed by hydrolysis is(are) Includes diagram
Chemistry · Natural Products Chemistry · Multiple correct
Q39.Which of the following set(s) of quantum numbers is(are) NOT allowed?
Chemistry · Atomic and Molecular Structure · Multiple correct
Q40.The CORRECT expression(s) for isothermal expansion of 1 mol of an ideal gas is(are)
Chemistry · Chemical Thermodynamics · Multiple correct
Q41.The number of possible isomers for [Pt(py)(NH₃)BrCl] is . (py is pyridine)
Chemistry · Transition Metals · Numerical
Q42.The volume of 0.3 M ferrous ammonium sulphate solution required for the completion of redox titration with 20 mL of 0.1 M potassium dichromate solution is mL.
Chemistry · Analytical Chemistry · Numerical
Q43.Among the following hydrocarbon(s), how many of them would give rise to three groups of proton NMR peaks with 2:2:3 integration ratio? Includes diagram
Chemistry · Qualitative Organic Analysis · Numerical
Q44.The number of stereoisomers possible for the following compound is $Ph - CH - CH - Ph$ $OH OH$ $
Chemistry · Basic Concepts and Stereochemistry · Numerical
Q45.The number of hydrogen bond(s) present in a guanine-cytosine base pair is
Chemistry · Natural Products Chemistry · Numerical
Q46.The time for 50% completion of a zero order reaction is 30 min. Time for 80% completion of this reaction is
Chemistry · Chemical Kinetics · Numerical
Q47.Consider the reaction $C O (g) + \frac{1}{2} O_{2} (g) ⟶ C O_{2} (g)$ . The value of $Δ U$ for the reaction at 300 K is -281.8 kJ mol $^{- 1}$ . The value of $Δ H$ at same temperature is kJ mol $^{- 1}$ (rounded up to the…
Chemistry · Chemical Thermodynamics · Numerical
Q48.The nuclear spin quantum number (I) of a nucleus is $\frac{3}{2}$ . When placed in an external magnetic field, the number of possible spin energy states it can occupy is
Chemistry · Atomic and Molecular Structure · Numerical
Q49.The value of $C_{v}$ for 1 mol of N $_{2}$ gas predicted from the principle of equipartition of energy, ignoring vibrational contribution, is J K $^{- 1}$ mol $^{- 1}$ (rounded up to two decimal places). $[R = 8.3 JK^{- 1} mol^{- 1}]$ …
Chemistry · Gaseous State · Numerical
Q50.Assuming ideal gas behavior, the density of O $_{2}$ gas at 300 K and 1.0 atm is g L $^{- 1}$ (rounded up to two decimal places). $[R = 0.082 L atm mol^{- 1} K^{- 1}, molar mass of O_{2} = 32]$
Chemistry · Gaseous State · Numerical
Q51.How many of the following interhalogen species have 2 lone pairs of electrons on the central atom? $ClF_{3}, ClF_{2}^{-}, ClF_{5} and ICl_{2}^{+}$
Chemistry · Main Group Elements · Numerical
Q52. $^{24} Na$ decays to one-fourth of its initial amount in 29.8 hours. Its decay constant is hour $^{- 1}$ (rounded up to four decimal places).
Chemistry · Analytical Chemistry · Numerical
Q53.The magnitude of crystal field stabilization energy (CFSE) of octahedral $[Ti (H_{2} O)_{6}]^{3 +}$ complex is 7680 cm $^{- 1}$ . The wavelength at the maximum absorption ( $λ_{max}$ ) of this complex is nm…
Chemistry · Transition Metals · Numerical
Q54.Elemental analysis of an organic compound containing C, H and O gives percentage composition: C: 39.9% and H: 6.7%. If the molecular weight of the compound is 180, the number of carbon atoms present in the molecule is
Chemistry · Qualitative Organic Analysis · Numerical
Q55.The number of compounds having S-configuration among the following is Includes diagram
Chemistry · Basic Concepts and Stereochemistry · Numerical
Q56.The *emf* of a standard cadmium cell is 1.02 V at 300 K. The temperature coefficient of the cell is $- 5.0 \times 1 0^{- 5}$ V K $^{- 1}$ . The value of $Δ H^{\circ}$ for the cell is kJ mol $^{- 1}$ (rounded up to…
Chemistry · Electrochemistry · Numerical
Q57.For the reaction $H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (l)$ , the following information is given T = 300 K $Δ \overset{ˉ}{H}^{\circ} = - 285$ kJ mol $^{- 1} \overset{ˉ}{S}_{H_{2} O}^{\circ} (l) = 70$ J K $^{- 1}$ mol $^{- 1} \overset{ˉ}{S}_{O_{2}}^{\circ} (g) = 204$ …
Chemistry · Chemical Thermodynamics · Numerical
Q58.For H $_{2}$ molecule, the fundamental vibrational frequency ( $\overset{υ}{ˉ}_{e}$ ) can be taken as 4400 cm $^{- 1}$ . The zero-point energy of the molecule is kJ mol $^{- 1}$ (rounded up to two decimal places). [h =…
Chemistry · Spectroscopy · Numerical
Q59.The solubility of PbI $_{2}$ in 0.10 M KI(aq) is $\times$ 10 $^{- 7}$ M (rounded up to two decimal places). [The solubility product, $K_{s p} = 7.1 \times 1 0^{- 9}$ ]
Chemistry · Chemical and Phase Equilibria · Numerical
Q60.The electron of a hydrogen atom is in its $n^{t h}$ Bohr orbit having de Broglie wavelength of 13.4 Å. The value of $n$ is (rounded up to the nearest integer). [Radius of $n^{t h}$ Bohr orbit = 0.53 $n^{2}$ Å, $π$ …
Chemistry · Atomic and Molecular Structure · Numerical