Which of following is not chiral :-

Options

A. 2 – Butanol
B. 2, 3 – Dibromo pentane
C. 3 – Bromo pentane
D. 2 – Hydroxy pentanoic acid

Answer

C

Explanation

(1)2-Butanol
`underset"1.C.C."(CH_3-underset(CH)underset|overset**CH-CH_2-CH_3)`
(2)2,3-Dibromopentane
`underset"2.C.C."(CH_3-undersetunderset(Br)|overset**CH-undersetunderset(Br)|overset**CH-C_2H_5)`
(3)3-Bromopentane
`underset"0.C.C."(CH_3-CH_2-undersetunderset"Br"|CH-CH_2-CH_3)`
(4)2-Hydroxy pentanoic acid
`underset"1.C.C."(CH_3-CH_2-CH_2-undersetunderset(OH)|overset**CH-COOH)`