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Given below are some standard heats of r...

Given below are some standard heats of reaction:
a. Heat of formation of water `=- 68.3 kcal`
b. Heat of combustion of acetylene `=- 301.6 kcal`
c. Heat of combistion of ethylene `=- 337.2 kcal`
Calculate the heat of reaction for the hydrogenation of acetylene at constant volume at `25^(@)C`.

A

Pent-`2`-ene

B

`2`-Methylbut-`2`-ene

C

`3`-Methylhex-`2`-ene

D

`2,3`-Dimethylbut-`2`-ene

Text Solution

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The correct Answer is:
B
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