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How many alkyl bromides would yield isopentane on reaction with Grignard reagent followed by treatment with water?

Answer»


Solution :All alkyl bromides having CARBON skeleton of isopentane (2-methylbutane `(CH_3)_2CHCH_2CH_3)` will give isopentane VIA GRIGNARD reagent.
`BrCH_(2)overset(CH_(3))overset(|)CHCH_(2)CH_(3)`, `CH_(3)overset(CH_(3))overset(|)CBrCH_(2)CH_(3)`
`CH_(3)overset(CH_(3))overset(|)CHoverset(Br)overset(|)CHCH_(3)`, `CH_(3)overset(CH_(5))overset(|)CHCH_(2)CH_(2)Br`


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