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Q.

Alkane obtained by the decarboxylation of fatty acid contains 

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a

One carbon atom less than the acid  

b

Two carbon atoms less than the acid

c

One carbon atom more than the acid 

d

Same number of carbon atoms as the acid 

answer is B.

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Detailed Solution

  • Heating sodium salt of fatty acid with soda lime to get alkanes. It contains one carbon atom less than acid. 

       Balanced chemical reaction. 

                         R+COOH⟶R-H+Na2CO3

  Soda lime will be used as an agent.

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