Question

Need Qualitative answer of Q.25

Answer 1

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There are two ways in which HCl reacts sodium carbonate :

1)2HCl + Na2CO3 = 2NaCl +H2O + CO2

In this reaction sodium carbonate reacts with excess hydrochloric acid to form sodium chloride, water and carbondioxide. Also, in this reaction we can a serve bubbles of Carbon Dioxide

Since X is aqueous, this reaction is not the correct

2)Na2CO3 + HCl=NaHCO3(aq) + Nacl(aq)

In this reaction, sodium carbonate reacts with hydrochloric acid to form sodium chloride and sodium hydrogen carbonate.

Hence, the product 'X' would be option 2)NaHCO3

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Answer 2

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Answer : 2. NaHCO3

Reason :-

The reaction is

Na2Co3 + Hcl ==> NaHCO3 + NaCl

This type of reaction is a double displacement reaction.

In double displacement reaction,

To form precipate, the ions in the reactants are exchanged.

So,
HCl reacts with the weak base, sodium bicarbonate and the products formed will be NaHCO3 and NaCl.

So,
The product X would be 2. NaHCO3

Thank you