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Which of the following reactions has pos...

Which of the following reactions has positive entropy change ?
(a) `Ag_(aq)^(+) + Cl_(aq)^(-) to AgCl_(s)`
(b) `NH_(4)Cl(s) to NH_(3)(g) + HCl(g)`
( c) `2NH_(3)(g) to N_(2)(g) + 3H_(2)(g)`

A

a,b

B

only c

C

b,c

D

only

Text Solution

Verified by Experts

The correct Answer is:
C
If `Deltan_(g) gt 0, DeltaS gt 0`
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