$P_4 + 3NaOH + 3H_2O \to A + 3NaH_2PO_2$. Here,$A$ is:

Which of the following statements about white phosphorus is false?

In the Haber process,hydrogen is obtained by reacting methane with steam in the presence of a $NiO$ catalyst. This process is known as steam reforming. Why is it necessary to remove $CO$ when ammonia is obtained by the Haber process?

In which of the following reactions is phosphine $(PH_3)$ $NOT$ produced?

Give the preparation of Nitric acid $(HNO_3)$. Discuss its physical and chemical properties and state its uses.

Why does nitrogen show catenation properties less than phosphorus?