Which of the following alkanes cannot be produced by Kolbe electrolysis of sodium or potassium salts of carboxylic acids?

Question

Which of the following alkanes cannot be produced by Kolbe electrolysis of sodium or potassium salts of carboxylic acids? (A) Methane (B) Ethane (C) Butane (D) Hexane

Tardigrade Admin · Accepted Answer

In Kolbe’s electrolysis, the alkane is formed when an aqueous solution of Na or K salt of carboxylic acid is electrolysed. The alkane formed has, two or more carbon atoms. This method can be used to prepare alkanes with even number of carbon atoms.

Q. Which of the following alkanes cannot be produced by Kolbe electrolysis of sodium or potassium salts of carboxylic acids?

Methane

Ethane

Butane

Hexane

In Kolbe’s electrolysis, the alkane is formed when an aqueous solution of $N a$ or $K$ salt of carboxylic acid is electrolysed. The alkane formed has, two or more carbon atoms. This method can be used to prepare alkanes with even number of carbon atoms.