MCQ
An aromatic ether is not cleaved by $HI$ even at $525\, K$. The compound is
- A$C_6H_5OCH_3$
- B$C_6H_5OC_6H_5$
- C$C_6H_5OC_3H_7$
- ✓Tetrahydrofuran
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$Cl_2 + 2Br^ - (aq.) \to 2Cl^-(aq.) + Br_2$
$Br_2$ gas thus formed is dissolved into solution of $Na_2CO_3$ and then pure $Br_2$ is obtained by treatment of the solution with
phenol $\xrightarrow[{reaction}]{{\operatorname{Re} imer - Tiemann}}X\xrightarrow[{(ii)\,{H^ \oplus }}]{{(i)\,NaOH\,conc}}Z$
Product $Z$ is