Question

Explain the preparation of carboxylic acids from Grignard reagent.​

Answer 1

Answer:

Grignard reagents react with dry ice (solid CO2) followed by aqueous acid work-up to give carboxylic acids. CO2 can be thought of as a being a dicarbonyl compound : O=C=O. Note that the carboxylic acid contains one extra C atom compared to the original halide from which the Grignard reagent was prepared....