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what is the use of 'cao' in decarboxylation reaction?

what is the use of 'cao' in decarboxylation reaction?

Grade:12

2 Answers

Aman Bansal
592 Points
9 years ago

Dear Praneeth,

odium salts of corboxylic acids on heating with soda lime (mixture of sodium hydroxide and calcium oxide) give

alkanes containing one carbon atom less than the corboxylic acid.This process of elimanation of carbon dioxide

from corboxylic acid is known as decorboxylation.

CH3 COO-Na+ +NaOH ---------------------> CH4 +Na2 CO3

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Yuvika Saini
24 Points
4 years ago
1 . CaO permits the reaction to be carried out at a relatively higher temperature to ensure complete decarboxylation 2 . CaO keeps NaOH dry because it is quite hygroscopic in nature

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