The gas which has a rotten egg smell is: A. Hydrogen sulphide B. Ammonia C. Sulphur dioxide D. Hydrogen chloride
Option (a) is correct The chemical compound stands for hydrogen sulphide. It's a colourless chalcogen hydride gas that smells like rotten eggs. It's flammable, poisonous, and corrosive. When hydrogen gas is passed into boiling sulphur, hydrogen sulphide is formed.
