# Chemistry Quiz on Thermodynamics for IIT JEE, NEET, Medical & Engineering Exam 2021

0 ## Chemistry Quiz on Thermodynamics

Chemistry Quiz on Thermodynamics: NEET/JEE Chemistry is considered to be the most scoring subject. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry. In this post we are providing you Chemistry quiz on Thermodynamics.

## Chemistry Quiz on Thermodynamics

1. What is the molar entropy change for melting of ice at 0℃, if ΔHf = 1.435 kcal/mol?

(a) 0.526 cal/(mol K)

(b) 5.26 cal/(mol K)

(c) 10.52 cal/(mol K)

(d) 21.04 cal/(mol K)

(b) 5.26 cal/(mol K)

2. What is the function of a catalyst in a chemical reaction?

(a) decrease rate constant of reaction

(b) increases activation energy of reaction

(c) reduces enthalpy of reaction

(d) does not affect the equilibrium constant of reaction

(d) does not affect the equilibrium constant of reaction

3. What will be the work done by 3 moles of an ideal gas when it expands spontaneously in a vacuum?

(a) zero

(b) infinite

(c) 3 joules

(d) 9 joules

(a) zero

4. What will be the value of ΔH, if the forward and reverse reactions have the same energy of activation?

(a) ΔH = ΔG = ΔS = 0

(b) ΔS = 0

(c) ΔG = 0

(d) ΔH = 0

(d) ΔH = 0

5. ΔH for the reaction N2 + 3H2 ⇋ 2NH3

(a) ΔE – 2RT

(b) ΔE + 2RT

(c) ΔE – RT

(d) ΔH = RT

(a) ΔE – 2RT

6. An ideal gas is expanded isothermally at 300 K from 1 litre to 10 litres. Find the ΔE for this process (R = 2 cal mol-1 K-1)

(a) 9 L atm

(b) 1381.1 cal

(c) zero

(d) 163.7 cal

(c) zero

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