Question

The role of LiAlH ₄ in organic synthesis is___​

Answer 1

Answer:

As Reducing Agent

Explanation:

Use in organic chemistry

Lithium aluminium hydride (LiAlH4) is widely used in organic chemistry as a reducing agent. It is more powerful than the related reagent sodium borohydride owing to the weaker Al-H bond compared to the B-H bond.

Answer 2

The role of $LiAlH_{4}$ in organic synthesis is as (b) a reducing agent.

• $LiAlH_{4}$ is a strong, unselective reducing agent for polar double bonds.
• It is one of the most readily available sources of $H^-$ or hydrogen anion.  
• It can easily reduce aldehydes, ketones, esters, carboxylic acid chlorides, carboxylic acids and even carboxylate salts to alcohols.
• Whereas the amides and nitriles are reduced to amines.
• It is more powerful than the related reagent sodium borohydride owing to the weaker Al-H bond compared to the B-H bond.