Question

2-Mrthyl butane reacting with `Br_(2)` in sunlight mainly gives:
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
`overset(1_(b)^(@))CH_(3)-underset(1_(a)^(@)CH_(3))underset(|)overset(3^(@))(CH)-overset(2^(@))(CH_(2))-overset(1_(b)^(@))CH_(3)`
The order of reactivity of different types of `H` atoms is `3^(@)H gt 2^(@) H gt 1^(@)H`