A white solid X reacts with dil.HCl to give colourless gas which is used in fire extinguishers. The solid X is:
NaCl
CH3COONa
Na2CO3
NaHCO3
A
NaCl
B
CH3COONa
C
Na2CO3
D
NaHCO3
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Solution
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Sodium bicarbonate can be used for fire extinguishers purpose as it releases carbon dioxide.
The following reaction takes place:
NaHCO3(X)+HCl→NaCl+CO2+H2O
Hence the correct option is D.
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