Q. 345.0( 3 Votes )

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Answer :

Acetic acid is a weak acid, following changes are observed --

(i) Phenolphthaleinno change/remains colorless

(ii) Distilled water acetic acid dissolves in distilled water.

(iii) Universal indicator turns orange

(iv) When added to Sodium hydrogen carbonate powder evolution of colorless, odorless gas (carbon dioxide) with brisk effervescence takes place.

CH₃COOH(aq) + NaHCO_{3 →} CH₃COOHNa (aq) +H₂O(l) + CO₂(gas)

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