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If DeltaHf^@" for " H2O and H2O2 " are "...

If `DeltaH_f^@" for " H_2O and H_2O_2 " are " -280 and -188 kJ mol^(-1)`, the enthalpy change for the reaction,
`2 H_2O_2 (l) to 2H_2O (l) + O_2(g)` is :

A

`-196 kJ mol^(-1)`

B

`146 kJ mol^(-1)`

C

`-494 kJ mol^(-1)`

D

`-98 kJ mol^(-1)`

Text Solution

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The correct Answer is:
A
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