# NEET Chemistry Redox Reactions Questions Solved

One g of a mixture of Na2CO3 and NaHCO3 consumes y equivalent of HCl for complete neutralisation. One g of the mixture is strongly heated, then cooled and the residue treated with HCl. How many equivalent of HCl would be required for complete neutralisation?

(a) 2y equivalent

(b) y equivalent

(c)  3y/4 equivalent

(d) 3y/2 equivalent

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(b) 2NaHCO3 $\stackrel{∆}{\to }$Na2CO3 +H2O + CO2

Na2CO3 $\stackrel{∆}{\to }$Na2CO3

The no. of equivalent of NaHCO3 = No. of equivalent of NaHCO3 formed. Thus, same equivalent of HCl will be used.

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