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At 298 K, the heats of formation fo C Cl...

At 298 K, the heats of formation fo `C Cl_(4) (g), H_(2)O(g), CO_(2)(g)` and `HCl(g)` are `-25, -57, -94` and `-22` K.cal `mol^(-1)` respectively. The `DeltaH` of the reaction:
`C Cl_(4)(g) +2H_(2)O rarr CO_(2) (g) +4HCl(g)`

A

`-43` K.cal

B

`+72` K.cal

C

14 K.cal

D

`-125` K.cal

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaH=H_(P)-H_(R)`
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