Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
$C H_{3} C O O H, C H_{3} C H_{2} O H$

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Solution

$C H_{3} C O O H$ (ethanoic acid) gives brisk effervescence with sodium hydrogen carbonate. It reacts with sodium hydrogen carbonate to give sodium ethanoate, carbon dioxide and water. Effervescence is due to carbon dioxide evolved.

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Which of the following will give brisk effervescence with sodium hydrogen carbonate and why? CH3COOH, CH3CH2OH

CH3COOH(ethanoic acid) gives brisk effervescence with sodium hydrogen carbonate. It reacts with sodium hydrogen carbonate to give sodium ethanoate, carbon dioxide and water. Effervescence is due to carbon dioxide evolved.

Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
$C H_{3} C O O H, C H_{3} C H_{2} O H$

$C H_{3} C O O H$ (ethanoic acid) gives brisk effervescence with sodium hydrogen carbonate. It reacts with sodium hydrogen carbonate to give sodium ethanoate, carbon dioxide and water. Effervescence is due to carbon dioxide evolved.