Question

ethane consist of how many bonds

Answer 1

Ethene is 2HC=CH2

This compound contains 4 sp3 hybridized orbit and 1 sp2 hybridized orbit

Hence this compound has 1 pi bond and 5 sigma bond..

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Answer 2

Ethane is second homologue of Alkanes with formula C2H6.
The two 'C' forms 3 covalent bonds with 'H' each and 1 with each other.
So , total covalent bonds = (2×3)+1 = 7 covalent bonds.