The reaction given below is called, R╲R╱CHOH+CH3╲CH3╱CO [(CH3)3CO]3Al−−−−−−−−−→ R╲R╱CO+CH3╲CH3╱CHOH:
The shown reaction is oxidation of secondary alcohol to ketones using aluminium tert. Butoxide called Oppenauer oxidation.
Which of the following compounds gives fastest reaction with HBr and why
(i) (CH3)3 COH
(ii) CH3 CH2 CH2OH
(iii) CH3 CHOH CH3
(iv) CH3 (CH3) CH CH2OH