Write the structure for each of the following alcohols and label at 1°, 2° or 3°.
(i) 3-Chloro butanol.
(ii) 3, 3-dimethyl cyclopentanol.
(iii) 3-chloro-2-methyl-1-butanol.
What happens when 3-methyl butanone is reduced with sodium tetrahydrido borate(III)?