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The heat of solution of BaCl(2) .2H(2) O...

The heat of solution of `BaCl_(2) .2H_(2) O_((s))` and anhydrous `BaCl_(2(s))` are `8.37" kJ mol"^(–1) and –20.62" kJ mol"^( –1)` respectively then heat of hydration of `BaCl_(2(s))` will be :-

A

`-12.25" kJ mol"^(-1)`

B

`-28.99" kJ mol"^(-1)`

C

`-11.37" kJ mol"^(-1)`

D

`+12.25" kJ mol"^(-1)`

Text Solution

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The correct Answer is:
B
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