What happens when acetic acid is treated with carbonate salt? Name the gas produced. What happens when this gas is treated with lime water? Support your answer with equations.

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Solution

When acetic acid is treated with salts of carbonate they releases $C O_{2}$ gas.
$H_{2} C O_{3}      C a r b o n i c a c i d ⟶ N a_{2} C O_{3}      S o d i u m c a r b o n a t e s a l t o f c a r b o n i c a c i d$
$2 C H_{3} C O O H + N a_{2} C O_{3} ⟶ 2 C H_{3} C O O N a + C O_{2} + H_{2} O$
$C O_{2}$ on treatment with lime water $(C a (O H)_{2})$ .
$C O_{2}$ turns lime water into cloudy or turbid as it forms calcium carbonate.
$C O_{2} (g) + C a (O H)_{2} (a q)      L i m e w a t e r ⟶ C a C O_{3} (s) + H_{2} O (l)$

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