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(a) Give one method each for the industr...

(a) Give one method each for the industrial preparation of:
(i) ethyl alcohol
(ii) phenol
(b) What is the action of each of the following on phenol?
(i) `HNO_(3)` in presence of conc. `H_(2)SO_(4)`
(ii) `Br_(2)` in presence of `CS_(2)` at 278K
(iii) `CO_(2)` at 400K and 4/7 atm. Pressure.

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