Rearrange the compounds of each of the following sets in order of reactivity towards `SN_(2)` displacement:
1-Bromo-2-methyl butane, 2-Bromo-2-methyl butane, 3-Bromo-2-methyl butane.

Rearrange the compounds of each of the following sets in order of reactivity towards SN_(2) displacement: 2-Bromo-2-methyl butane, 1-Bromo-pentane, 2-Bromopentane.

Rearrange the compounds of each of the following sets in order of reactivity towards S_(N^2) displacement: 1-Bromobutane, 1-Bromo-2, 2-dimethylpropane, 1-Bromo-2-methylbutane

Rearrange the compounds of each of the following sets in order of reactivity towards S_(N_(3)^(2)) displacement : (i) 2- Bromo-2-methylbutane, 1-Bromopentane, 2- Bromopentaure. (ii) 1- Bromo-3-methylbutance, 2-Bromo-2-methylbutance,3-Bromo-2- methybutane. (iii) 1- Bromobutane, 1- Bromo-2, 2-dimethylbutane 1-Bromo -2- methylbutane.

(a) Account for the following : (i) Electrophilic substitution reactions in haloarenes occur slowly. (ii) Haloalkanes, though polar, are insoluble in water. (b) Arrange the following compounds in increasing order of reactivity towards S_(N)2 displacement: 2-Bromo-2-Methylbutane, 1-Bromopentane, 2-Bromopentane

Give the order of reactivity towards SN^(1) reaction of the followig: a. i. 1- Bromopentane ii. 2- Bromopenatane iii. 2- Bromo -2 methyl butane

(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.

Write the structure of 3-methyl butanal.

Arrange the following alcohols in the decreasing order of reactivity towards Lucas reagent (1) 1-Butanol (2) 2-butanol (3) 2-Methyl-2-propanol.

Which is the most effective ion in an SN^(2) displacement on methyl bromide?

1-bromobutane and 1-bromo-2-methylpropane are chain isomers.