$Cl_2$ gas can be dried by passing it over ....

Arrange $CCl_4$,$AlCl_3$,$PCl_5$,and $SiCl_4$ in the increasing order of their ease of hydrolysis.

When chlorine is passed over dry slaked lime at room temperature,the main reaction product is

The correct order of reactivity of halogens is

Phosphorus reacts with $SO_2Cl_2$ to form $PCl_5$ and $X$. At $723 \ K$,$HCl$ gas reacts with $O_2$ in the presence of $CuCl_2$ to form water and $Y$. $Y$ reacts with $X$ in water to form two acids $A$ and $B$. What are $A$ and $B$ respectively?

Which of the following are mixed anhydrides?