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The energy change of the reaction \[\] $C_2H_6(g) \rightarrow 2C(g) + 6H(g)$ \[\] is $x\: kJ$. The bond energy of $C-H$ bond is

$\begin {array} {1 1} (A)\;x/6\: kJ & \quad (B)\;x/3\: kJ \\ (C)\;x\: kJ & \quad (D)\;data \: insufficient \end {array}$

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Calculation of $ \Delta H_{C-H}$ requires the value of $ \Delta H_{C-C}$ also which is not given.
Ans : (D)
answered Mar 15, 2014 by thanvigandhi_1

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