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Thermodynamics
Question
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Match List I (equation) with List II (types of the process) and select the correct option.

List I (Equations)
List II (Types of process)

A

KP > Q

1

Non-spontaneous

B

ΔGo < RT In Q

2

Equilibrium

C

KP = Q

3

Spontaneous and endothermic

D

T> ΔH/ ΔS

4

Spontaneous
  • A
    B
    C
    D
    1
    2
    3
    4
  • A B C D
    3 4 2 1
  • A B C D
    4 1 2 3
  • A B C D
    2 1 4 3

Answer

C.

A B C D
4 1 2 3

A) When KP > Q, the reaction goes in the forward direction, ie, the reaction is spontaneous.
B) Given ΔGo < RT lnQ, thus, ΔGo = + ve and hence, the reaction is non-spontaneous.
C) At equilibrium, Kp = Q


D) T > ΔH/ΔS or TΔS >ΔH
Thus condition is true for spontaneous endothermic reactions (as ΔG greater than equal to ΔH- TΔS)

Sponsor Area

Some More Questions From Thermodynamics Chapter

Classify the following into different types of systems:
(i) Tea placed in a cup
(ii) Tea placed in a tea-pot
(iii) Tea placed in a thermosflask. 

Define a closed system.

Define an isolated system.

Define intensive properties.

Define extensive properties.

Why all living systems need to be 'open systems'?

Define state variables of a system.

From thermodynamic point of view, to which system the animals and plants belong?

What is a state function?

A thermodynamic state function is a quantity