LiAlH₄ (LAH) cannot be used to convert carboxylic acids to the corresponding aldehydes because RCOOH is reduced to RCH₂OH.
An organic molecule with the functional group RCH=O is known as an aldehyde. The functional group itself can be categorized as either a formyl group or an aldehyde.
Only when the correct reaction conditions are present in the reaction do specific organic reagents work as intended. For instance, only in the presence of a certain catalyst like Ni or Pt will hydrogen operate as a hydrogenating agent.
Powerful reducing agent LAH (lithium aluminum hydride) is the provided reagent. In the presence of carboxylic acids, it produces equivalent alcohols rather than aldehydes. The conversion of carboxylic acids to their equivalent aldehydes cannot be accomplished using it.
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The complete question is mentioned below:
LiAlH₄ ( LAH ) cannot be used to convert carboxylic acids to the corresponding aldehydes because:
a) LAH is not sufficiently reactive.
b) RCOOH is converted into RCOOLi.
c) RCOOH is reduced to RCH₂OH
d) RCOOH is reduced to RCH₃
e) RCOOH is converted into R₂C = O
