What is formed when $PCl_3$ reacts with water?

What are the products formed when chlorine is passed through an aqueous hypo solution?

When the gynoecium is situated at the highest position on the thalamus, the ovary is called..........

During the estimation of oxalic acid against $KMnO_4$,the self-indicator is:

$A$ $0.001 \, \text{molal}$ solution of $[Pt(NH_3)_4Cl_4]$ in water shows a freezing point depression of $0.0054 \, ^\circ C$. If $K_f$ for water is $1.80$,the correct formulation of the above compound is?

Which one of the following represents the graph between $\log p$ (on $Y$-axis) and $\frac{1}{T}$ (on $X$-axis)?
($p=$ vapour pressure of a liquid,$T=$ absolute temperature)