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Physical Chemistry MCQ


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21 Questions MCQ Test Mock Test Series of IIT JAM Biotechnology | Physical Chemistry MCQ

Physical Chemistry MCQ for IIT JAM 2022 is part of Mock Test Series of IIT JAM Biotechnology preparation. The Physical Chemistry MCQ questions and answers have been prepared according to the IIT JAM exam syllabus.The Physical Chemistry MCQ MCQs are made for IIT JAM 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Physical Chemistry MCQ below.
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Physical Chemistry MCQ - Question 1

The angular momentum of an electron present in 3s and 3p orbital are

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Physical Chemistry MCQ - Question 2

The reduction potential at 25°C for Fe3+ Fe2+ electrode if the concentration of Fe+2 ion is five times that of Fe+3 ion 

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The electrode reaction is,

Physical Chemistry MCQ - Question 3

The rate constant of a reaction is 1.5 x 107 s-1 at 50°C and 4.5 x 107 s-1 at 100°C. The Arrehenius parameter A and εa is

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Physical Chemistry MCQ - Question 4

The value AH of the reaction.
CH2Cl2(g) → C(g)+2H(g) + 2Cl(g)
The average bond energies of C-H and C-Cl bonds are 416 and 328 kJ mol respectively

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Physical Chemistry MCQ - Question 5

Certain mass of a gas occupy 200 mL at 127°C. If the gas is cooled to -73°C at constant pressure, its new volume is

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Charles Law.

Physical Chemistry MCQ - Question 6

The ratio of the radius of second orbit of Li2+ ion with the radius of third orbit of He+ ion is

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Physical Chemistry MCQ - Question 7

For a reaction. 2A +  B → 3Z if the rate consumption of A is 2 x 10-4 mol dm-3 s-1. The rate of formation of Z (in mol dm-3 s-1) will be

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Rate of formation of 

Physical Chemistry MCQ - Question 8

The ionic strength of a solution containing 0.008 M AlCl3 and 0.005 M KCl is

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Physical Chemistry MCQ - Question 9

The uncertainty in measuring the position of a proton is 2 x 10-6 m. The minimum uncertainty in measuring the speed of this proton is (mass of proton is 1.672 x 10-27 kg)

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Physical Chemistry MCQ - Question 10

The vapour pressure of liquid decane is 10 torr at 55.7°C and 400 torr at 150.6°C. The value of ΔHv is

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*Multiple options can be correct
Physical Chemistry MCQ - Question 11

The collect statement in the following is/are

(1) the correct expression for Schrodinger’s equation is 
(2) Bohr's quantisation condition is mvr = nh/2π
(3) The de-Broglie wavelength of an electron revolving in the second orbit of hydrogen atom is 6.649 x 10-10m
(4) Radius of nth orbit

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Physical Chemistry MCQ - Question 12

Among the following the reaction that is accompanied by a increase in the entropy is

The conect equation is

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Physical Chemistry MCQ - Question 13

For an ideal gas incorrect expresion is



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Physical Chemistry MCQ - Question 14

Which of the following statements about catalyst is correct
(1) A catalyst increase the rate of a reaction without being destroyed
(2) A catalyst does not change the position of equilibrium
(3) A catalyst increase the rate of both forward and backward reactions
(4) A catalyst speeds up a reaction without taking pait in reaction

Detailed Solution for Physical Chemistry MCQ - Question 14

A catalyst increase the rate of a reaction without being destroyed → correct
A catalyst does not change the position of equilibrium → correct
A catalyst increase the rate of both forward and backward reactions → correct
A catalyst speeds up a reaction without taking part in reaction → incorrect

*Multiple options can be correct
Physical Chemistry MCQ - Question 15

The collect statement is are
(1) Debye-Huckel Onsagar equation is
(2) The unit of specific resistance is Ω-1m-1s
(3) The ionic strength of 0.15 molal KCl solution is 0.15
(4) The unit of equivalent conductance

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Physical Chemistry MCQ - Question 16

The circumference of the second orbit of an atom or ion having single electron is 4 x 10-9 m. The de-Broglie wavelength of electron revolving in this orbit is ____10-9 m


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Physical Chemistry MCQ - Question 17

The half life of a first order reaction is 12.6 h. The time at which the concentration of reactants becomes 0.001 M from 1.0 M is _____ h.


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Physical Chemistry MCQ - Question 18

Two moles of an ideal gas are compressed isothermally (100°C) and reversibly from a pressure of 10 atm to 25 atm. The value of free energy is ______


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Physical Chemistry MCQ - Question 19

A current of 0.5 A is passed through molten AlCl3 for 40 min the mass of aluminium deposited at the cathode is _____ g (Al = 27)


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Physical Chemistry MCQ - Question 20

The pH of a neutral solution at 37°C, where kω equals 2.5 x 10-14 is  ______


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Physical Chemistry MCQ - Question 21

For an enzyme substrate reaction a plot between  yields a slope ot 40s. It the enzyme concentration is 2.5 μM. Then the catalytic efficiency of the enzyme is 10x L mol-1s-1. The value of x is _____


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