Question

2-Methylbutane on reacting with bromine in the presence of sunlight gives mainly
A. 1-bromo-2-methylbutane
B. 2-bromo-2-methylbutane
C. 2-bromo-3-methylbutane
D. 1-bromo-3-methylbutane

Answer 1

Correct Answer - B
`3^@` H is abstracted most readily , i.e., `underset"2-Methylbutane"(CH_3-undersetunderset(CH_3)|CH-CH_2CH_3)overset(Br_2//hv)to underset"2-Bromo-2-methylbutane"(CH_3-undersetunderset(CH_3)|oversetoverset"Br"|C-CH_2CH_3)`