2-Methyl butane on reacting with `Br_(2)` in the presence of sunlight mainly gives :

Options

A. 1-Bromo-2-Methyl butane
B. 2-Bromo-2-Methyl butane
C. 2-Bromo-3-Methyl butane
D. 1-Bromo-3-Methyl butane

Answer

B

Explanation

`CH_(3)-overset(CH_(3))overset(|)(CH)-CH_(2)-CH_(3) underset("Sun light")to underset("2-bromo-2-methyl butane")(CH_(3)-underset(Br)underset(|)overset(CH_(3))overset(|)C-CH_(2)CH_(3))`
Ease of replacement of H-atom `3^(@) gt 2^(@) gt 1^(@)` i.e., tertiary H atom is more reactive.