Which will react faster in `S_(N^(2))` displacement reaction, 1-Bromopentane or 2-Bromopentane and why?

Which will react faster in S_(N^(1)) displacement reaction? 1-Bromopentane or 2-Bromopentane.

Which compound in the following couples will react faster in S_(N^(2)) displacement reaction and why? (i). 1-Bromopentane or 2-Bromopentane (ii). 1-Bromo-2-methylbutane or 2-bromo-2-methyl butane.

Which compound in the following couples will react faster in S_N2 displacement and why ? 1-Bromopentane or 2-bromopentane.

(i)State one use each of DDT and iodoform. (ii) Which compound in the folloeing couples will react faster in S_(N)2 displacement and why? (a)1-Bromopentane or2-bromopentane (b) 1-Bromo -2 methylbutane or 2-bromo-2-methylbutane.

(i)State one use each of DDT and iodoform. (ii) Which compound in the folloeing couples will react faster in S_(N)2 displacement and why? (a)1-Bromopentane or2-bromopentane (b) 1-Bromo -2 methylbutane or 2-bromo-2-methylbutane.

Which compound in the following couples will react faster in S_N2 displacement and why ? 1-Bromo-2-methylbutane or 2-bromo-2-methyl- butane.