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Why are \(H_2SO_4\) and \(CaCl_2\), not suitable for drying ammonia gas? They

Chemistry
WAEC 2023

Why are \(H_2SO_4\) and \(CaCl_2\), not suitable for drying ammonia gas? They

  • A. are poisonous.
  • B. pollute the gas
  • C. are corrosive
  • D. react with the gas
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Correct Answer: Option D
Explanation

\(H_2SO_4\) and \(CaCl_2\) are not suitable for drying ammonia gas because they react with the gas.

Ammonia is a basic gas, and both \(H_2SO_4\) and \(CaCl_2\) are acidic. When these two substances react, they form salts that contain ammonia. This can contaminate the ammonia gas and make it unusable.

In addition, \(H_2SO_4\) is a corrosive substance, and \(CaCl_2\) can be harmful to breathe in. Therefore, it is not safe to use these substances to dry ammonia gas.


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