What is observed when a pinch of sodium ...

CBSE Class 10 Science 2019 Outside Delhi Set 1

Question : 23 of 27

Marks: +1, -0

What is observed when a pinch of sodium hydrogen carbonate is added to

2\ \mathrm{mL}

of acetic acid taken in a test tube? Write chemical equation for the reaction involved in this case.

Solution:

\mathrm{CO}_2

gas is evolved with brisk effervescence when sodium hydrogen carbonate is added to acetic acid.

\underset{\text{Sodium hydrogen carobonate}}{\mathrm{NaHCO}_3}+\underset{\text{Acetic acid}}{\mathrm{CH_3COOH}}\rightarrow\underset{\text{Sodium acetate}}{\mathrm{CH_3COONa}}+\underset{\text{water}}{\mathrm{H_2O}}+\underset{\text{carbandioxide}}{\mathrm{CO_2}}

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