CH_3-CH_2-Br on treatment with LiAlH_4 gives ethane gas while (CH_3)_3C-Br on same treatment gives H_2 gas because

MHT CET Chemistry question

on treatment with gives ethane gas while on same treatment gives gas because

Answer: (A)

The primary bromide is attacked by the hydride nucleophile in an SN2 step to give ethane, while the hindered tertiary bromide cannot undergo SN2

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Question ID VK-043771