Question Detail

CHM 102 Fundamentals of Alkanes: Properties and Preparation Methods Objective Question

Question

Which method involves heating sodium salt of a carboxylic acid with soda lime to produce an alkane?
Options
A Wurtz reaction
B Kolbe's electrolysis
C Decarboxylation
Correct Answer
D Hydrogenation
Correct Answer

Option C is the correct answer.

Detailed Explanation

Decarboxylation: RCOONa + NaOH (soda lime) → R-H + Na2CO3, eliminating CO2 to form an alkane with one less carbon.

Hint

Loss of CO2 from a carboxylic acid salt.

Question Info