Question

The IUPAC name of the compound is – 

(A) (2E, 4E)-2, 4-hexadiene 

(B) (2Z, 4Z)-2, 4-hexadiene 

(C) (2Z, 4E)-2, 4-hexadiene 

(D) (2E, 4Z)-4, 2-hexadiene

Answer 1

Correct option (A) (2E, 4E)-2, 4-hexadiene

Explanation: 

If atom or group of higher priority are on opposite direction at the double bond of each carbon atom then the configuration is known as E and if they are in same direction then the configuration is known as Z-configuration.

  (2E, 4E) – 2, 4-hexadiene