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The bond energy of an O -H bond is 109 K...

The bond energy of an `O -H` bond is 109 K. cal `"mole"^(-1)`. When a mole of water is formed

A

218 K.cal. is released

B

109 K. cal. Is released

C

218 K. cal. Is absorbed

D

109 K. cal. Is absorbed

Text Solution

Verified by Experts

The correct Answer is:
A
In water there are 2 O-H bonds
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