Reaction of NaCl with conc. H_2SO_4 liberates | vedclass

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(A) The correct option is $A$.When concentrated sulphuric acid reacts with $NaCl$,sodium bisulphate and $HCl$ gas $(X)$ are formed. The $HCl$ gas is a

Vedclass · Accepted Answer

$HCl$ and $CO_2$

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(A) The correct option is $A$.When concentrated sulphuric acid reacts with $NaCl$,sodium bisulphate and $HCl$ gas $(X)$ are formed. The $HCl$ gas is acidic in nature and turns moist blue litmus paper red.$2NaCl + H_2SO_4 \longrightarrow Na_2SO_4 + 2HCl(g) (X)$Egg shell powder primarily consists of calcium carbonate $(CaCO_3)$. When $HCl$ gas $(X)$ is passed into a suspension of egg shell powder in water,it reacts with $CaCO_3$ to release $CO_2$ gas $(Y)$.$CaCO_3 + 2HCl \longrightarrow CaCl_2 + H_2O + CO_2(g) (Y)$$CO_2$ gas turns lime water milky due to the formation of insoluble calcium carbonate.Thus,the gases $X$ and $Y$ are $HCl$ and $CO_2$ respectively.

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