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प्रश्न
Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
CH3COOH, CH3CH2OH
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उत्तर
CH3COOH (ethanoic acid) gives brisk effervescence with sodium hydrogencarbonate. It reacts with sodium hydrogencarbonate to give sodium ethanoate, carbon dioxide and water. Effervescence is due to carbon dioxide evolved.
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