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Q.

Consider following sequence of reaction

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According to given information which of the following statement is correct ?

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a

ΔH2 is negative while ΔH1 is positive 

b

ΔH1 is negative whereas ΔH2 and ΔH3 are positive 

c

ΔH4=ΔH1+n1ΔH2+n2ΔH3

d

n1<n2

answer is B.

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Detailed Solution

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n1 > n2 as cation (Na+) contributes more than anion (Cl-) in hydration energy due to small size.

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