Question

Group of nonmetallic elements containing N and P are :

• A. least-reactive family of elements
• B. alkali metals
• C. halogen family of elements
• D. noble gases
• E. family whose oxides form acids in water

Answer 1

The correct option is E family whose oxides form acids in water

Group of nonmetallic elements containing N and P are family whose oxides form acids in water.
Thus, the oxide of nitrogen on dissolution in water forms nitric acid and the oxide of phosphorous on dissolution in water forms phosphoric acid.
$N_2{O}_5+H_{2}O\to 2HN{O}_3$
$P_2{O}_5+3H_{2}O\to 2H_{3}P{O}_4$