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Why do the C-C bonds rather …

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Why do the C-C bonds rather than the C-H bonds break during the pyrolysis of alkanes?

Posted by Riya Pawaria 7 years, 2 months ago

CBSE > Class 11 > Chemistry

2 answers

Shivshant Upadhyay 7 years, 2 months ago

Yes this is right.

Ishu Miglani 7 years, 2 months ago

C-H. It is because the bond length between Carbon and Hydrogen is smaller (Hydrogen radii is smaller that's why) than between Carbon and Carbon, so more energy is needed for atomization as the effective nuclear charge on the bonded pair of electrons will be greater

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