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Question

Sodium carbonate can be manufactured by solvay's process but potassium carbonate cannot be prepared because: 
  1. is more soluble 
  2. K2CO3 is less soluble

  3. KHCO3 is more soluble than NaHCO3

  4. KHCO3 is less soluble than NaHCO3


Solution

The correct option is C

KHCO3 is more soluble than NaHCO3


Sodium carbonate can be manufactured by solvay's process but potassium carbonate cannot be prepared because KHCO3 is more soluble than NaHCO3.Sodium bicarbonate when heated we get sodium carbonate.

NaHCO3  Na2CO3 + H2O + CO2

But where as we cannot do the same in case of potassium bicarbonate as it is more soluble.

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