MCQ
Bromine is obtained commercially from sea water by adding
- A$AgN{O_3}$ solution
- BCrystals of $NaBr$
- ✓$C{l_2}$
- D${C_2}{H_4}$
$KBr + Cl _2 \rightarrow KCl + Br _2$
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| Column $I$ | Column $II$ |
| $(A)$ $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CN}$ | $(p)$ Reduction with $\mathrm{Pd}-\mathrm{C} / \mathrm{H}_2$ |
| $(B)$ $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OCOCH}_3$ | $(q)$ Reduction with $\mathrm{SnCl}_2 / \mathrm{HCl}$ |
| $(C)$ $\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{OH}$ | $(r)$ Development of foul smell on treatment with chloroform and alcoholic $\mathrm{KOH}$ |
| $(D)$ $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2$ | $(s)$ Reduction with diisobutylaluminium hydride $(DIBAL-H)$ |
| $(t)$ Alkaline hydrolysis |
Reason : Energy of the activated complex is higher than the energy of reactant molecules.