MCQ
Which of the following statements is correct
- APhenol is less acidic than ethyl alcohol
- ✓Phenol is more acidic than ethyl alcohol
- CPhenol is more acidic than carboxylic acid
- DPhenol is more acidic than carbonic acid
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(Round of to the Nearest Integer).
(Given : $\left. R =8.314\, J\, mol ^{-1} K ^{-1}\right)$
$R - \mathop {\mathop {C\,N{H_2} \to RC{H_2}N{H_2}}\limits^{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} }\limits^{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} $


| List $-I$ (Chemicals) | List $-II$ (Use / Preparation / Constituent) |
| $(a)$ Alcoholic potassium hydroxide | $(i)$ Electrodes in batteries |
| $(b)$ $Pd / BaSO _{4}$ | $(ii)$ Obtained by addition reaction |
| $(c)$ $BHC$ (Benzene hexachloride) | $(iii)$ Used for $\beta$ - elimination reaction |
| $(d)$ Polyacetylene | $(iv)$ Lindlar's catalyst |
Choose the most appropriate match