PLEASE SOLVE QUESTION NO. 22
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22. a) Phenolphthalein - When a few drops of acetic acid is added to a test tube containing phenolphthalein, it becomes colourless
b) Universal Indicator - When a few drops of acetic acid is added to universal indicator, it gives orange colour
c) Distilled water- When a few drops of acetic acid is added to distilled water, it dissolves in water
d) sodium hydrogen carbonate - When a few drops of acetic acid is added to sodium hydrogen carbonate, a brisk effervescence takes place with the evolution of carbon dioxide gas.
NaHCO3 + CH3COOH --> CH3COONa +H2O + CO2
Hope this helps you
b) Universal Indicator - When a few drops of acetic acid is added to universal indicator, it gives orange colour
c) Distilled water- When a few drops of acetic acid is added to distilled water, it dissolves in water
d) sodium hydrogen carbonate - When a few drops of acetic acid is added to sodium hydrogen carbonate, a brisk effervescence takes place with the evolution of carbon dioxide gas.
NaHCO3 + CH3COOH --> CH3COONa +H2O + CO2
Hope this helps you
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