1.

Best starting material to synthesize 2-methyl-2-butenoic acid is:

Answer»

`CH_(3)-UNDERSET(OH)underset(|)OVERSET(CH_(3))overset(|)C-CH_(3)`
`CH_(3)CH_(2)CH_(2)CHO`
`CH_(3)-underset(CH_(3))underset(|)"CH"-CHO`
`CH_(3)CH_(2)-overset(O)overset(||)C-CH_(3)`

Answer :D


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