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Major Physical Chemistry - Chemistry MCQ


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30 Questions MCQ Test Mock Test Series for IIT JAM Chemistry - Major Physical Chemistry

Major Physical Chemistry for Chemistry 2024 is part of Mock Test Series for IIT JAM Chemistry preparation. The Major Physical Chemistry questions and answers have been prepared according to the Chemistry exam syllabus.The Major Physical Chemistry MCQs are made for Chemistry 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Major Physical Chemistry below.
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Major Physical Chemistry - Question 1

For which of the following process, dq = dU?

Major Physical Chemistry - Question 2

Given that (at T = 298 K)
Cu(s) | Cu2+ (1.0 M) || Ag+ (1.0 M) | Ag(s)     E°cell = 0.46 V
Zn(s) | Zn2+ (1.0 M) || Cu2+ (1.0 M) | Cu(s)     E°cell = 1.10 V
Then, Ecell for 
Zn | Zn2+ (1.0 M) || Ag+ (1.0 M) | Ag at 298 K will be
 

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Major Physical Chemistry - Question 3

The following adsorption isotherm for a gas at adsorption surface. The correct order of temperature
           

Major Physical Chemistry - Question 4

Which of the following decay with the change in spin multiplicity is known as ISC (Inter System Crossing)?

Major Physical Chemistry - Question 5

92U238 emits 8α and 6β- particles. The n/p ration in daughter nucleus will be?          

Major Physical Chemistry - Question 6

For a cell reaction, consider the following equations:
A + B ⇌ C + D 
2A + 2B ⇌ 2C + 2D 

Major Physical Chemistry - Question 7

A complex containing K+, Pt(IV) and Cl- is 100% ionized giving i = 3. Thus, complex is?

Major Physical Chemistry - Question 8

The angle between the planes (100) and (110) is:

Major Physical Chemistry - Question 9

Adding heat to a solid and liquid in equilibrium will cause the:           

Major Physical Chemistry - Question 10

Calculate the lattice energy of KCl at 298 K. Given that:           
Sublimation energy of K(s) = 89 kJ mol–1           
Ionization energy of K(g) = 418 kJ mol–1           
Dissociation energy of Cl2(g) = 244 kJ mol–1           
Electro attachment energy of Cl(g) = –349 kJ mol–1           
Formation of KCl(s) = – 437           

Major Physical Chemistry - Question 11

In H-atom, electrons make transition from 5th excited state to ground state producing all possible type of photons. Calculate the number the lines in infrared region.          

Major Physical Chemistry - Question 12

The standard emf of the cell, Cd(s) | CdCl2(aq) (0.1 M) || AgCl(s) | Ag(s) in which the cell reaction, is,  is 0.6915 V at 0°C and 0.6753 V at 25°C. The DH° of the reaction at 25°C is:

Major Physical Chemistry - Question 13

For a equilibrium H2O(s) → H2O(l)  which of the following statements is true:           

Major Physical Chemistry - Question 14

At low pressure if RT = 2(aP)1/2, then, the volume occupied by a real gas is?

Major Physical Chemistry - Question 15

The C-H stretching frequency of an alkane is 2900 cm-1. Calculate the value of C-D frequency (cm-1):

Major Physical Chemistry - Question 16

Given

(i) Zn + 4NH3 → Zn(NH3)42+ + 2e,   E° = 1.03 V
(ii) Zn → Zn2+ + 2e,              E° = 0.763 V
The formation constant of the complex Zn(NH3)42+ is approximately

Major Physical Chemistry - Question 17

On the basis of data given below predict which of the following gases shows least adsorption on a definite amount of charcoal?

Major Physical Chemistry - Question 18

The calomel electrode and quinhydrone electrode are reversible with respect to which ion  respectively:

Major Physical Chemistry - Question 19

At 30°C the solubility of Ag2CO3 (Ksp = 8 × 10–12) would be greatest in one litre of:

Major Physical Chemistry - Question 20

For an enzyme catalyzed reaction, the reaction rate is half of its maximum value when

Major Physical Chemistry - Question 21

The rate constant, the activation energy and Arrhenius parameter of a chemical reaction at 25oC are 3×10-4 s-1, 104.4 kJ/mol and 6.0×1014 s-1 resp.. Calculate the value of rate constant as time →Infinity is?

Major Physical Chemistry - Question 22

The degree of dissociation of SO3 is α at equilibrium pressure P0.
Kp for 2SO3(g) → 2SO2(g) + O2(g) is 

Major Physical Chemistry - Question 23

Aluminum metal has a density of 2.72g/cm3 and crystallizes in lattice with an edge length of 404 pm. Which of the following alternative are correct:           

Major Physical Chemistry - Question 24

The conductivity of a saturated solution of BaSO4 is 3.06 × 10–6 ohm–1 cm–1 and its equivalent conductance is 1.53 ohm–1 cm2 equiv–1. The Ksp for BaSO4 will be:

Major Physical Chemistry - Question 25

In the following reaction started only with Ag,
2A8(g) → 2A3(g) + 3A2(g) +A4(g)
mole fraction of A2 is found to 0.36 at a total pressure of 100 atm at equilibrium. The mole fraction of A8(g) at equilibrium is:

Major Physical Chemistry - Question 26

t1/2 (half-life period) of 1st order reaction is 10 min. Starting with 10 mol L–1, rate after 20 min is:

Major Physical Chemistry - Question 27

The phase diagram of CO2 and Bi differ in the sense that:           

Major Physical Chemistry - Question 28

When pure water is saturated with CaCO3 and CaC2O4, the concentration of calcium ion in the solution under equilibrium is 8 × 10–5 M. If the ratio of the solubility product of CaCO3 to that of CaC2O4 is 3, what is the solubility product of CaCO3 in pure water?

Major Physical Chemistry - Question 29

1g charcoal show chemical adsorption of some acetic acid on coming in contact with 100 mL of 0.50 M acetic acid and the molarity of acetic acid is reduced to 0.49 M. If surface area of charcoal is 3.015 × 102 m2/g, the surface area of each chemical adsorbed molecule of acetic acid is:

Major Physical Chemistry - Question 30

Emf of Cd-cell is 1.018 V at 25°C. The temperature coefficient of cell is –5.2 × 10–5 VK–1. How cell temperature will change during operation?

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