Q.

Which of the following has lowest bond energy for the shown nature of bond  ?

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a

N-N

b

O-O

c

C-C

d

H-H

answer is D.

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Detailed Solution

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O-O single bonds are not very stable. In fact, in the oxygen molecule, the pi bond is more stronger than the sigma bond.

 

C-C =345, N-N =160, H-H=432, O-O= 204 in kJ/mole 

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