First slide
Acidic Strength

Which of the following will not be soluble in sodium hydrogen carbonate?


The reaction is as follows: 

 Acid +NaHCO3 Sodium salt of acid(soluble) +H2CO3

Among all the given compounds, o-nitrophenol is weaker 

acid than HCO3-. Hence, it does not react with NaHCO3.

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