Which of the following gases is diamagnetic and neutral towards water?

Which of the following is used in the industrial production of nitric acid by the Ostwald process?

Assertion $(A)$: $P_4O_{10}$ cannot be used to remove moisture from ammonia gas. Reason $(R)$: $P_4O_{10}$ reacts with $NH_3$ gas. The correct answer is:

Which of the following represents the correct order of the inert pair effect in Group $13$ elements?

Draw the structures of different oxoacids of phosphorus and indicate the oxidation state of phosphorus,characteristic bonds,and their numbers in each.

What happens when $PCl_{5}$ is heated?