EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 3 - Thermodynamics>CG PET 2018>Q 2

EASY

CG PET

IMPORTANT

Earn 100

Consider the following reaction: $CaO (s) + {CO}_{2} (g) ⟶ {CaCO}_{3} (s)$ . The reaction is spontaneous at low temperature because

50% studentsanswered this correctly

Important Questions on Thermodynamics

EASY

CG PET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 3 - Thermodynamics>CG PET 2017>Q 3

Which is the most thermodynamically stable form of carbon?

EASY

CG PET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 3 - Thermodynamics>CG PET 2018>Q 4

The heat of neutralisation of hydrogen cyanide

(HCN)

is

- 2 .9 kcal {mol}^{- 1}

. This shows that heat of dissociation of

HCN

is

MEDIUM

CG PET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 3 - Thermodynamics>CG PET 2019>Q 5

Equal volume of

1 M HCl

and

1 M H_{2} {SO}_{4}

are neutralised by dil.

NaOH

solution separately. If

X Kcal

and

Y Kcal

of heat are liberated respectively, then which of the following relation is correct?

EASY

CG PET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 3 - Thermodynamics>CG PET 2017>Q 6

Which expression has no physical significance?

EASY

CG PET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 3 - Thermodynamics>CG PET 2019>Q 7

For a chemical reaction,

∆ G

is always less than zero

(ΔG < 0)

if