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Grignard reagents and organolithium compounds on addition to dry ice separately, followed by hydrolysis gives (a) ketones and carboxylic acids respectively (b) carboxylic acids and ketones respectively (c) only carboxylic acids (d) only ketones Please explain the solution in detail.

Grignard reagents and organolithium
compounds on addition to dry ice
separately, followed by hydrolysis gives
(a) ketones and carboxylic acids respectively
(b) carboxylic acids and ketones respectively
(c) only carboxylic acids
(d) only ketones
Please explain the solution in detail.

Grade:12

1 Answers

ng29
1698 Points
8 years ago
IN MY OIPINION ANSWER IS  C) ONLY CARBOXYL ACIDS
GRIGNARD REAGENT  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.
RMgX and RLi show same type of reeaction with dry ice
 
APPROVE IF USEFUL
 
 
 

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