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The enthalpy of formation of hypothetica...

The enthalpy of formation of hypothetical `MgCl` is `-125kJ mol^(-1)` and for `MgCl_(2)` is `-642 kJ mol^(-1)`. What is the enthalpy of the disproportionation of `MgCl`.

A

`2CH_(3)COOH overset( P_(2) O_(5)//Delta)(rarr)`

B

`2CH_(3)CHO overset("dil NaOH")(rarr)`

C

`2CH_(3)COCH_(3)overset(Mg-Hg)(rarr)`

D

`2HCHOoverset("50% NaOH(aq)")(rarr)`

Text Solution

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The correct Answer is:
D
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