JEE Main 2015 · 10 Apr · Shift 1 · Chemistry Q52

ChemistrySingle correct+4 / -1Question 52 of 90

The optically inactive compound from the following is :

2 - chloropropanal

2 - chloropentane

2 - chlorobutane

2 - chloro - 2 - methylbutane

Answer and worked solution

Official answer: D

2-Chloro-2-methylbutane, $\ce{(CH3)2C(Cl)CH2CH3}$ , has two methyls on C2, so there is no chiral centre. The other three each have a stereocentre.

JEE Main 2015 · 10 Apr · Shift 1, Chemistry question 52