
- A

- ✓

- C

- D








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The correct statement($s$) regarding $P , Q , R$ and $S$ is(are)
$(A)$ Reaction of $P$ with $R$ in the presence of $KOH$ followed by acidification gives
$(B)$ Reaction of $R$ with $O _2$ in the presence of light gives phosgene gas
$(C)$ $Q$ reacts with aqueous $NaOH$ to produce $Cl _3 CCH _2 OH$ and $Cl _3 CCOONa$
$(D)$ $S$ on heating gives $P$
$X_2 + Y_2 \rightarrow 2XY,$ is given below :
$(i)\,\, X_2 \rightarrow X + X\, (fast)$
$(ii)\,\,X + Y_2 \rightleftharpoons XY + Y\, (slow)$
$(iii)\,\,X + Y \rightarrow XY\, (fast)$
The overall order of the reaction will be
$Z$ is :
Atomic weight : $Fe =55.85 ; \mathrm{S}=32.0$ $\mathrm{O}=16.00$
$\xrightarrow{{SOC{l_2}}}B\xrightarrow{{N{H_3}}}C\xrightarrow[{B{r_2}}]{{NaOH}}D$