Q.

Assertion(A) : For a reaction  Question Image
Reason(R) : Enthalpy change is always greater than internal energy
 

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a

if both (A) and (R) are false.

b

if both (A) and (B) are true but (R) is not the correct explanation of (A).

c

if both (A) and (B) are true and (R)  is the correct explanation of (A).

d

if (A) is true but (R) is false.

answer is C.

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Detailed Solution

2NH3gN2g+3H2g Δn=42=2Δn>0  ;ΔH>ΔE

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