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The H2 O((g)) molecule dissociates as ...

The `H_2 O_((g))` molecule dissociates as
(i) `H_2 O_((g)) to H_((g)) + OH_((g)) , Delta H=490 kJ`
(ii) `OH_((g)) to H_((g)) + O_((g)) , Delta H=424 kJ`
The average bond energy (in kJ) for water is ____________ .

A

490

B

424

C

914

D

`914/2`

Text Solution

Verified by Experts

The correct Answer is:
D
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