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Grade: 12th pass

                        

bond dissociation energy of every c-h bond in methane is not 415 KJ /mole. why?

3 months ago

Answers : (2)

Saurabh Koranglekar
askIITians Faculty
8407 Points
							The first C-H bond break “sees” a CH3 group while the second C-H bond break “sees” a CH2 group and so on until all four C-H are broken. Each bond break sees a different electronic environment and so the energy required to break each successive C-H is slightly different.
						
3 months ago
RISHIKA
549 Points
							
DEAR FRIEND
The product of that dissociation is methyne () . The C-H bonds in methane do not have the same dissociation energy as C-H bonds in methyl radical, which in turn do not have the same dissociation energy as the C-H bonds in methylene, which are again different from the C-H bond in methyne.
THANK U
3 months ago
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