Which of the following halide ions can be oxidized by nitric acid?

Which of the following pairs is not correctly matched?

Deacon's process is used in the manufacture of

Hydrolysis of $NCl_3$ gives $NH_3$ and $X$. Which of the following is $X$?

Identify the correct decreasing order of oxidizing power for the given oxoacids of chlorine.

Arrange the following in the order of property indicated for each set:
$(i)$ $F_{2}, Cl_{2}, Br_{2}, I_{2}$ - increasing bond dissociation enthalpy.
$(ii)$ $HF, HCl, HBr, HI$ - increasing acid strength.
$(iii)$ $NH_{3}, PH_{3}, AsH_{3}, SbH_{3}, BiH_{3}$ - increasing base strength.