In making bleaching powder, slaked lime reacts with which gas?
Answer and explanation
Correct answer: Chlorine
Bleaching powder is prepared by passing chlorine gas over dry slaked lime, whose chemical formula is Ca(OH)₂. The reaction produces bleaching powder, commonly represented as CaOCl₂, along with water. Therefore, chlorine is the required gas. Hydrogen, nitrogen, and carbon monoxide do not participate in this standard preparation and are not suitable distractors for the reaction.
Frequently asked questions
What is the correct answer to this question?
Chlorine
Why is this the correct answer?
Bleaching powder is prepared by passing chlorine gas over dry slaked lime, whose chemical formula is Ca(OH)₂. The reaction produces bleaching powder, commonly represented as CaOCl₂, along with water. Therefore, chlorine is the required gas. Hydrogen, nitrogen, and carbon monoxide do not participate in this standard preparation and are not suitable distractors for the reaction.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
