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What is a Grignard reagent ? How is prop...

What is a Grignard reagent ? How is propane
prepared from a Grignard reagent ?

Text Solution

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Alkylmagnesium halides are called Grignard reagents . For example, n-propyl bromide reacts with magnesium to form n-propylmagnesium bromide. This upon treatment with water gives propane.
`CH_3CH_2CH_2Br + Mg overset"Dry ether " to CH_3CH_2CH_2MgBr` (Grignard reagent )
`CH_3CH_2CH_2MgBr + H_2O to CH_3CH_2CH_3+ Mg(OH)Br`
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