Chemistry · 2020
JEE Main · 6 September 2020, Shift 2 · Q29
The correct match between Item - I (starting material) and Item - II (reagent) for the preparation of benzaldehyde is:
The correct match between Item - I (starting material) and Item - II (reagent) for the preparation of benzaldehyde is :
| Item - I | Item - II | ||
| (I) | Benzene | (P) | HCl and $\displaystyle \mathrm{SnCl}_2, \mathrm{H}_3 \mathrm{O}^{+}$ |
| (II) | Benzonitrile | (Q) | $\displaystyle \mathrm{H}_2$, Pd-$\displaystyle \mathrm{BaSO}_4, \mathrm{~S}$ and quinoline |
| (III) | Benzoyl Chloride | (R) | $\displaystyle \mathrm{CO}, \mathrm{HCl}$ and $\displaystyle \mathrm{AlCl}_3$ |
Official answer
(1)
(I) - (R), (II) - (P) and (III) - (Q)
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.