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For the reaction, bond energies ar...

For the reaction,

bond energies are given as under –
(i) C—C, 346 kJ/mol
(ii) C—H, 413 kJ/mol
(iii) H—H, 437 kJ/mol and
(iv) C = C, 611 kJ/mol
What will be the value of `Delta H` at `25^(@) C` for the above reaction ?

A

`-289 kJ mol^(-1)`

B

`-124 kJ mol^(-1)`

C

`+124 k J mol^(-1)`

D

`+ 289 k J mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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