MCQ
Oxalic acid may be distinguished from tartaric acid by
- ASodium bicarbonate solution
- ✓Ammonical silver nitrate solution
- CLitmus paper
- DPhenolphthalein
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Diazonium salts $\,+\,Cu_2Cl_2 \, + \, HCl \,\, \to$
The correct order of ${S_{{N^1}}}$ reactivity is
$C{{H}_{3}}-C{{H}_{2}}-COOH\xrightarrow{PC{{l}_{3}}}I\xrightarrow{{{C}_{6}}{{H}_{6}}/AlC{{l}_{3}}}II\xrightarrow[\text{base/heat}]{N{{H}_{2}}-N{{H}_{2}}}III$