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NDA 2 2024 GAT, question 61

Topic: Chemistry

Q61

The chemical reaction :

2AgCl(s)→2Ag(s)+Cl2(g)2AgCl (s)\to 2Ag (s)+Cl_{2} (g)

takes place

  1. (a) in dark
  2. (b) in sunlightCorrect answer
  3. (c) on heating
  4. (d) under high pressure

Solution.

Answer: (b) in sunlight

  1. Silver chloride is photosensitive: light causes it to decompose into silver and chlorine.
  2. The balanced equation is 2AgCl→2Ag+Cl₂, so sunlight is the relevant condition.