189234 Which shows polymorphism
(d) \(O, S, Se\) shows polymorphism.
189235 All the elements of oxygen family are
All the elements of oxygen family exist in more than one form (polymorphic).
189236 The triatomic species of elemental oxygen is known as
Ozone \(\left( O _3\right)\) is the tri-atomic molecule of oxygen.
189237 When \({H_2}S\) gas is passed through nitric acid, the product is
(d) \({H_2}S + 2HN{O_3} \to 2N{O_2} + S + 2{H_2}O\).