Q.

Consider the following statements

A) Methane can be prepared by Kolbe’s electrolytic method

B) Ethane has infinite number of conformations

C) Magnitude of torsional strain in ethane depends upon the angle of rotation about C–C bond

D) n-Hexane undergoes isomerisation reaction in presence of anhyd. AlCl3 and HCl

The correct statements are

1 (A), (B) and (C) only  
2 (A), (C) and (D) only  
3 (A), (B), (C) and (D)  
4 (B), (C) and (D) only  

Ans.

(4)