Question

C-c bond length in alkene shorter tnan the alkanes why

Answer 1

Answer:

Increase in bond multiplicity decrease the distance between bonded atoms. As a result , the covalent radius is also decrease for example covalent radius for carbon in

C-C (alkane ) = 0.77 A°

C=C (alkene) = 0.67 A°

C triple bond C = 0.60 A°

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