MCQ
Phenolphthalein is obtained by heating phthalic anhydride with conc. ${H_2}S{O_4}$ and
- ABenzyl alcohol
- BBenzene
- ✓Phenol
- DBenzoic acid

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Identify $B$ in the reaction
$2{X_2}\left( s \right) + 3{Y^{ + 2}}\left( {aq} \right) \to 2X_2^{3 + }\left( {aq} \right) + 3Y\left( s \right)$