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Sahil Krishnamurthy
Asked: 2022-11-10T12:50:06+05:30 In:

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. `-136.8 KJ`
B. `-13.68 KJ`
C. 273.6 KJ
D. 1.368 KJ

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. `-136.8 KJ`
B. `-13.68 KJ`
C. 273.6 KJ
D. 1.368 KJ
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  1. Correct Answer – A
    `C_(2)H_(4)+H_(2)rarr C_(2)H_(6) , Delta H_(“hydrogeneration”)=?`
    `Delta H=Sigma (Delta H_(“comb”))_(R )-Sigma (Delta H_(“comb”))_(P)`

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Qabeel Suresh Bobal
Asked: 2022-10-29T05:34:20+05:30 In:

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. `-136.8 KJ`
B. `-13.68 KJ`
C. `273.6 KJ`
D. `1.368 KJ`

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. `-136.8 KJ`
B. `-13.68 KJ`
C. `273.6 KJ`
D. `1.368 KJ`
Parabola
Leave an answer

Leave an answer

Browse

1 Answer

  1. Correct Answer – A
    `C_(2)H_(4)+H_(2) rarr C_(2)H_(6)`
    `Delta H = H_(P) – H_(R)`

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