Q59Multiple choice
A non-metal A which is the largest constituent of air, when heated with H2 in 1:3 ratio in the presence of catalyst (Fe) gives a gas B. On heating with O2 it gives an oxide C. If this oxide is passed into water in the presence of air it gives an acid D which acts as a strong oxidising agent.
- (a)Identify A, B, C and D
- (b)To which group of periodic table does this non-metal belong? 26 E XEMPLAR P ROBLEMS – SCIENCE