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In which reaction there will be increase in entropy
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a
Na(s)+H2O(i)→NaOH(l)+12H2(g)
b
Ag+(aq)+Cl(aq)→AgCl(s)
c
H2(g)+12O2(g)→H2O(I)
d
Cu2+(aq)+4NH3(g)→CuNH342+(aq)
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Correct option is A
In reaction (a) Na (s) reacts with H2O(l) to give NaOH(l) and 12H2(g)Since, the entropy of a gas is higher than that of liquid and the entropy of liquid is higher than that of solid, therefore, the change in entropy of this reaction increases.Talk to our academic expert!
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