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Question

Chlorine gas reacts with red hot calcium oxide to give:
  1. bleaching powder and dichlorine monoxide
  2. calcium chloride and chlorine dioxide
  3. bleaching powder and water
  4. calcium chloride and oxygen

A
bleaching powder and water
B
bleaching powder and dichlorine monoxide
C
calcium chloride and chlorine dioxide
D
calcium chloride and oxygen
Solution
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Chlorine gas reacts with red hot calcium oxide to give calcium chloride and oxygen gas.

2CaO+2Cl2redhot−−−−−2CaCl2+O2

Hence, option D is correct.

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