An organic compound exhibits the [M]+, [M+2]+ and [M+4]+ peaks in the intensity ratio 1: 2: 1 in the mass spectrum, and shows a singlet at δ 7.49 in the 1H NMR spectrum in CDCl3 . The compound is:

An organic compound exhibits the [M]+, [M+2]+ and [M+4]+ peaks in the

1.	An organic compound exhibits the [M]+, [M+2]+ and [M+4]+ peaks in the intensity ratio 1: 2: 1 in the mass spectrum, and shows a singlet at δ 7.49 in the 1H NMR spectrum in CDCl3 . The compound is:
A.	1,4-dichlorobenzene
B.	1,4-dibromobenzene
C.	1,2-dibromobenzene
D.	1,2-dichlorobenzene
Answer» C. 1,2-dibromobenzene