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The heats of combustion of C(2)H(4), C(2...

The heats of combustion of `C_(2)H_(4), C_(2)H_(6)` and `H_(2)` gases are -1409.5 KJ, -1558.3 KJ and -285.6 KJ respectively. The heat of hydrogenation of ethene is

A

`-136.8KJ`

B

`-13.68KJ`

C

`273.6KJ`

D

`1.368KJ`

Text Solution

Verified by Experts

The correct Answer is:
A
`C_(2)H_(4)+H_(2)rarrC_(2)H_(6)" "DeltaH=H_(P)-H_(R)`
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