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Bond Order and Enthalpy

In a series e...

Question

In a series ethane, ethylene and acetylene, the $C - H$ bond energy is:

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Solution

$C - H$ bond energy is maximum in ethyne= $536 k J / m o l$
$C - H$ bond energy in ethene= $451 k J / m o l$
$C - H$ bond energy in ethane= $410 k J / m o l$

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