i) Identifiy 'A' and 'B' in the following equations.
`CH_(3)-CH=CH_(2) overset(H_(2)O//H^(+))rarr A overset(CrO_(3))rarr B`
ii) What is Lucas reagent?

Explanation

i) `A=CH_(3)-underset(OH)underset(|)(CH)-CH_(3)`
`B=CH_(3)-underset(O)underset(||)C-CH_(3)`
ii) Mixture of conc. `HCl` and anh. `ZnCl_(2)`