The following compounds are given to you
2-Bromopentane,2-Bromo-2-methylbutane,1-Bromopentane
(a) Write the compound which is most reactive towards `S_(N)2` reaction.
(b) Write the compound which is optically active.
(c). Write the compound which is most reactive towards `beta`-elimination reaction.

Explanation

(a) 1-Bromopentane
(b) 2-Bromopentane
(c) 2-Bromo-2-methylbutane