Chemistry
Grade-8
Easy

Question

Which of the following compound reacts in water only?

  1. Oxalic acid crystals
  2. Ammonia
  3. Silver nitrate
  4. Sodium chloride

hintHint:

Oxalic acid crystals reacts only in water

The correct answer is: Oxalic acid crystals


    Oxalic anhydride recrystallized in the presence of water was identified as α form. The deuterium exchange reaction between oxalic anhydride and water of hydration takes place in oxalic anhydride partially hydrated with heavy steam. This exchange rate is virtually independent of temperature.

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