Question

What happens when:- Chlorobenzene is reacted in presence of LiAlH4 and then again reacted in presence of Ni/H2

Answer 1

Answer:

The most common sources of the hydride nucleophile are lithium aluminium hydride (LiAlH4) and sodium borohydride (NaBH4). Note! The hydride anion is not present during this reaction; rather, these reagents serve as a source of hydride due to the presence of a polar metal-hydrogen bond. Because aluminium is less electronegative than boron, the Al-H bond in LiAlH4 is more polar, thereby, making LiAlH4 a stronger reducing agent.

Answer 2

Answer:

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Explanation:

Reduction of aldehydes and ketones

The most common sources of the hydride nucleophile are lithium aluminium hydride (LiAlH4) and sodium borohydride (NaBH4). Note! The hydride anion is not present during this reaction; rather, these reagents serve as a source of hydride due to the presence of a polar metal-hydrogen bond. Because aluminium is less electronegative than boron, the Al-H bond in LiAlH4 is more polar, thereby, making LiAlH4 a stronger reducing agent.

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