MCQ
The structure (figure) would be best classified as a(an)
- AAcetal
- ✓Hemiacetal
- CHydrate
- DCyanohydrin
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| Column $-1$ | Column $-2$ |
| $(A)$ Haber's process for ammonia | $(P)$ Zeolite |
| $(B)$ Oswald's process for $HNO_3$ | $(Q)$ $Fe$ |
| $(C)$ Contact processf $H_2SO_4$ | $(R)$ $ V_2O_5$ |
| $(D)$ Cracking of hydrocarbons | $(S)$ $Pt$ gauge |
Reason : Oxygen is bluish coloured liquid and in singlet state it is para-magentic.
| Column $I$ | Column $II$ |
| $(A)$ $\mathrm{C}_6 \mathrm{H}_5 \mathrm{CHO}$ | $(p)$ gives precipitate with $2, 4$-dinitrophenylhydrazine |
| $(B)$ $\mathrm{CH}_3 \mathrm{C} \equiv \mathrm{CH}$ | $(q)$ gives precipitate with $\mathrm{AgNO}_3$ |
| $(C)$ $\mathrm{CN}^{-}$ | $(r)$ is a nucleophile |
| $(D)$ $\mathrm{I}^{-}$ | $(s)$ is involved in cyanohydrin formation |