Write structures of all the alkenes which on hydrogenation give 2-meth

1.	Write structures of all the alkenes which on hydrogenation give 2-methylbutane.
Answer» Solution :The basic skeleton of 2-methylbutane is `overset1Coverset2-oversetoversetC\|C overset3-C overset4-C` PUTTING double bond at various different positions and satisfying the tetracovalency of each carbon, the STRUCTURES of various alkenes which give 2-methylbutane on hydrogenations are : `underset"3-Methylbut-1-ene"(overset4CH_3-.^(3)oversetoverset(CH_3)\|CH-overset2CH=overset1CH_2)` `underset"2-Methylbut-2-ene"(overset1CH_3-.^(2)oversetoverset(CH_3)\|C-.^(3)CH-overset4CH_3)` `underset"2-Methylbut-1-ene"(overset1CH=.^(2)oversetoverset(CH_3)\|C-overset(3)CH_2overset4CH_3)`

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