Identify the compound X in the following reaction: X+CO2+H2O→NaHCO3
A
NaOH
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B
Na2CO3
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C
Na2O
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D
NaH
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Solution
The correct option is BNa2CO3 Sodium bicarbonate (NaHCO3) is prepared by passing carbon dioxide in saturated solution of sodium carbonate (Na2CO3) in water.