MCQ
High yield of aryl halide is formed in
- A

- ✓

- C

- DAll




Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Which forms di-iodide on reaction with $HI $ (excess) ?
Set $1$: $Al_2O_3 .xH_2O\, (s)$ and $OH^-(aq)$
Set $2$: $Al_2O_3 .xH_2O\, (s)$ and $H_2O\,(l)$
Set $3$: $Al_2O_3 .xH_2O\, (s)$ and $H^+(aq)$
Set $4$: $Al_2O_3 .xH_2O\, (s)$ and $NH_3(aq)$
[Assume steam to be an ideal gas. Given $A _{ vap } H ^{\ominus}$ for water at $373 \,K$ and $1\, bar$ is $41.1 \,kJ\, mol ^{-1} ; R =$ 8.31 $J\,K ^{-1} \,mol ^{-1}$ ]
$\xrightarrow[\Delta ]{{{H^ \oplus }}}\,B$
The product $"B"$ is