MCQ
$PC{l_3}$ reacts with water to form
- A$P{H_3}$
- ✓${H_3}P{O_3},$ $HCl$
- C$POC{l_3}$
- D${H_3}P{O_4}$
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$(1)$ $2, 4-$Dinitrophenol
$(2)$ $4 -$ Nitrophenol
$(3)$ $2, 4, 5-$Trimethylphenol
$(4)$ Phenol
$(5)$ $3-$Chlorophenol

Product $(A)$ is
Compounds $X$ and $Y $ are