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Chemistry · 2017

59 questions from this IIT JAM paper

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IIT JAM
Papers
2017
Chemistry

Chemistry · 2017

59 questions from this IIT JAM paper

Main Group Elements3 questions Analytical Chemistry6 questions Basic Concepts and Stereochemistry4 questions Organic Reaction Mechanism and Synthetic Applications10 questions Spectroscopy2 questions Chemical and Phase Equilibria2 questions Chemical Thermodynamics4 questions Chemical Bonding and Shapes of Molecules2 questions Transition Metals6 questions Qualitative Organic Analysis2 questions Ordinary Differential Equations1 questions Determinants1 questions Atomic and Molecular Structure3 questions Chemical Kinetics2 questions Bioinorganic Chemistry1 questions Natural Products Chemistry3 questions Aromatic and Heterocyclic Chemistry1 questions Electrochemistry2 questions Solid State2 questions Adsorption1 questions Gaseous State1 questions

Q1.The correct order of the boiling points of the compounds is
Chemistry · Main Group Elements · MCQ
Q2.In the following Latimer diagram, the species that undergoes disproportionation reaction is $MnO_{4}^{-} + 0.56 MnO_{4}^{2 -} + 0.27 MnO_{4}^{3 -} + 0.93 MnO_{2} + 0.15 Mn_{2} O_{3} - 0.25 Mn (OH)_{2} - 1.56 Mn$ …
Chemistry · Analytical Chemistry · MCQ
Q3.A yellow precipitate is formed upon addition of aqueous AgNO₃ to a solution of
Chemistry · Analytical Chemistry · MCQ
Q4.The compounds having C₃-axis of symmetry are Includes diagram
Chemistry · Basic Concepts and Stereochemistry · MCQ
Q5.The correct order of rate of solvolysis for the following compounds is
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q6.In the following sequence of reactions, the overall yield (%) of O is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q7.Catalytic hydrogenation of the following compound produces saturated hydrocarbon(s). The number of stereoisomer(s) formed is Includes diagram
Chemistry · Basic Concepts and Stereochemistry · MCQ
Q8.The number of normal modes of vibration in naphthalene is
Chemistry · Spectroscopy · MCQ
Q9.The number of degrees of freedom of liquid water in equilibrium with ice is
Chemistry · Chemical and Phase Equilibria · MCQ
Q10.A straight line having a slope of $- Δ U^{0} / R$ is obtained in a plot between
Chemistry · Chemical Thermodynamics · MCQ
Q12.The coordination number of Al in crystalline $AlCl_{3}$ and liquid $AlCl_{3}$ , respectively, is
Chemistry · Chemical Bonding and Shapes of Molecules · MCQ
Q13.The homogeneous catalyst used in water-gas shift reaction is
Chemistry · Transition Metals · MCQ
Q14.Nitrosyl ligand binds to d-metal atoms in linear and bent fashion and behaves, respectively, as
Chemistry · Transition Metals · MCQ
Q15.The metal ion (M²⁺) in the following reaction is $M^{2 +} + S^{2 -} ⟶ Black precipitate hot conc. HNO_{3} White precipitate$
Chemistry · Analytical Chemistry · MCQ
Q16.The correct order of wavelength of absorption ( $λ_{max}$ ) of the Cr-complexes is (en = ethylenediamine)
Chemistry · Transition Metals · MCQ
Q17.The correct order of enthalpy of hydration for the transition metal ions is
Chemistry · Transition Metals · MCQ
Q18.Among the following compounds, the pair of enantiomers is Includes diagram
Chemistry · Basic Concepts and Stereochemistry · MCQ
Q19.The number of proton NMR signals for the compounds P and Q, respectively, is Includes diagram
Chemistry · Qualitative Organic Analysis · MCQ
Q20.The correct set of reagents for the following conversion is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q21.The product R in the following reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q22.The major product S of the following reaction is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q23.In the following reaction, the major product T is Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q24.The following conversion is carried out using Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q25.In the following reactions, the major products E and F, respectively, are Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · MCQ
Q26. $\frac{d y}{d x} = - \frac{y}{x}$ is a differential equation for a/an
Chemistry · Ordinary Differential Equations · MCQ
Q27.Value of the given determinant is $12 - 1 360042$
Chemistry · Determinants · MCQ
Q28.Ionisation energy of hydrogen atom in ground state is 13.6 eV. The energy released (in eV) for third member of Balmer series is
Chemistry · Atomic and Molecular Structure · MCQ
Q29.For a first order reaction $A (g) \to 2 B (g) + C (g)$ , the rate constant in terms of initial pressure ( $p_{0}$ ) and pressure at time $t$ ( $p_{t}$ ), is given by
Chemistry · Chemical Kinetics · MCQ
Q30.For a particle in one-dimensional box of length $L$ with potential energy $V (x) = 0$ for $L > x > 0$ and $V (x) = \infty$ for $x \geq L$ and $x \leq 0$ , an acceptable wave function consistent with the boundary conditions is (A, B, C and D…
Chemistry · Atomic and Molecular Structure · MCQ
Q31.The "heme" containing protein(s) is/are
Chemistry · Bioinorganic Chemistry · Multiple correct
Q32.Among the following, the species having see-saw shape is/are
Chemistry · Chemical Bonding and Shapes of Molecules · Multiple correct
Q33.The indicator(s) appropriate for the determination of end point in the titration of a weak acid with a strong base is/are
Chemistry · Analytical Chemistry · Multiple correct
Q34.Jahn-Teller distortion is observed in octahedral complexes with d-electron configuration of
Chemistry · Transition Metals · Multiple correct
Q35.Among the following, the correct statement(s) is/are
Chemistry · Natural Products Chemistry · Multiple correct
Q36.The INCORRECT statement(s) among the following is/are
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Multiple correct
Q37.The following conversion is an example of Includes diagram
Chemistry · Organic Reaction Mechanism and Synthetic Applications · Multiple correct
Q38.IR active molecule(s) is/are
Chemistry · Spectroscopy · Multiple correct
Q39.Intensive variable(s) is/are
Chemistry · Chemical Thermodynamics · Multiple correct
Q40.Wave nature of electromagnetic radiation is observed in
Chemistry · Atomic and Molecular Structure · Multiple correct
Q41.The number of isomeric structures of di-substituted borazine $(B_{3} N_{3} H_{4} X_{2})$ is
Chemistry · Main Group Elements · Numerical
Q42.The number of S-S bond(s) in tetrathionate ion is
Chemistry · Main Group Elements · Numerical
Q43.The number of unpaired electron(s) in $K_{2} NiF_{6}$ is
Chemistry · Transition Metals · Numerical
Q44.The number of reducing sugars among the following is Includes diagram
Chemistry · Natural Products Chemistry · Numerical
Q45.The maximum number of dipeptides that could be obtained by reaction of phenylalanine with leucine is
Chemistry · Natural Products Chemistry · Numerical
Q46.Among the following, the number of aromatic compound(s) is Includes diagram
Chemistry · Aromatic and Heterocyclic Chemistry · Numerical
Q47.At an operating frequency of 350 MHz, the shift (in Hz) of resonance from TMS (tetramethylsilane) of a proton with chemical shift of 2 ppm is
Chemistry · Qualitative Organic Analysis · Numerical
Q48.At 298 K and 1 atm, the molar enthalpies of combustion of cyclopropane and propene are -2091 kJ mol⁻¹ and -2058 kJ mol⁻¹, respectively. The enthalpy change (in kJ mol⁻¹) for the conversion of one mole of propene to one mole of cyclopropane…
Chemistry · Chemical Thermodynamics · Numerical
Q49.For a cell reaction, $P b (s) + H g_{2} C l_{2} (s) \to P b C l_{2} (s) + 2 H g (l)$ , $(\frac{\partial R ^{0}}{\partial T})_{p}$ is $1.45 \times 1 0^{- 4} VK^{- 1}$ . The entropy change (in J mol⁻¹ K⁻¹) for the reaction is [Given: 1 F =…
Chemistry · Electrochemistry · Numerical
Q50.For a reaction $2 A + B \to C + D$ , if rate of consumption of $A$ is 0.1 mol L⁻¹s⁻¹, the rate of production of $C$ (in mol L⁻¹s⁻¹) is
Chemistry · Chemical Kinetics · Numerical
Q51.The standard reduction potentials of Ce⁴⁺/Ce³⁺ and Fe³⁺/Fe²⁺ are 1.44 and 0.77 V, respectively. The log₁₀K (K is the equilibrium constant) value for the following reaction is (final answer should be rounded off to two decimal places) Ce⁴⁺…
Chemistry · Electrochemistry · Numerical
Q52.A radioactive element undergoes 80% radioactive decay in 300 min. The half-life for this species in minutes is
Chemistry · Analytical Chemistry · Numerical
Q53.Silver crystallizes in a face-centered cubic lattice. The lattice parameter of silver (in picometer) is [Given: Avogadro's number = 6.023 × 10²³ mol⁻¹, molar mass of silver = 107.87 g mol⁻¹ and density of crystal = 10.5 g cm⁻³]
Chemistry · Solid State · Numerical
Q54.The amount of bromine (atomic wt. = 80) required (in gram) for the estimation of 42.3 g of phenol (molecular wt. = 94 g mol⁻¹) is
Chemistry · Analytical Chemistry · Numerical
Q55.The total number of pair of enantiomers possible with molecular formula C₅H₁₂O is
Chemistry · Basic Concepts and Stereochemistry · Numerical
Q56.In 200 g of water, 0.01 mole of NaCl and 0.02 mole of sucrose are dissolved. Assuming solution to be ideal, the depression in freezing point of water (in °C) will be (final answer should be rounded off to two…
Chemistry · Chemical and Phase Equilibria · Numerical
Q57.The adsorption of a gas follows the Langmuir isotherm with K = 1.25 kPa⁻¹ at 25 °C. The pressure (in Pa) at which surface coverage is 0.2 is
Chemistry · Adsorption · Numerical
Q58.The separation of 123 planes (in nm) in an orthorhombic cell with a = 0.25 nm, b = 0.5 nm and c = 0.75 nm is (final answer should be rounded off to two decimal places)
Chemistry · Solid State · Numerical
Q59.A vessel contains a mixture of H₂ and N₂ gas. The density of this gas mixture is 0.2 g L⁻¹ at 300 K and 1 atm. Assuming that both the gases behave ideally, the mole fraction of N₂ (g) in the vessel is (final…
Chemistry · Gaseous State · Numerical
Q60.Consider an isothermal reversible compression of one mole of an ideal gas in which the pressure of the system is increased from 5 atm to 30 atm at 300 K. The entropy change of the surroundings (in J K⁻¹) is …
Chemistry · Chemical Thermodynamics · Numerical