(D) $A)$ The reaction of hydrochloric acid with sodium sulphide produces hydrogen sulphide gas: $2HCl(aq) + Na_2S(s) \rightarrow 2NaCl(aq) + H_2S(g) \

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(D) $A)$ The reaction of hydrochloric acid with sodium sulphide produces hydrogen sulphide gas: $2HCl(aq) + Na_2S(s) \rightarrow 2NaCl(aq) + H_2S(g) \uparrow$.$B)$ The reaction of concentrated sulphuric acid with a mixture of sodium chloride and manganese dioxide produces chlorine gas: $MnO_2(s) + 2NaCl(s) + 3H_2SO_4(conc.) \rightarrow 2NaHSO_4(aq) + MnSO_4(aq) + 2H_2O(l) + Cl_2(g) \uparrow$.

Class 12 Chemistry p-Block Elements (Class 12)Halogen family

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Name the gaseous products from the following $A$ and $B$ reactions,respectively.
$A.$ Hydrochloric acid is added to sodium sulphide.
$B.$ Concentrated sulphuric acid is added to a mixture of sodium chloride and manganese dioxide.

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A
$Cl_2, Cl_2$
B
$H_2, HCl$
C
$H_2S, O_2$
D
$H_2S, Cl_2$

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Name the gaseous products from the following $A$ and $B$ reactions,respectively.$A.$ Hydrochloric acid is added to sodium sulphide.$B.$ Concentrated sulphuric acid is added to a mixture of sodium chloride and manganese dioxide.

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Write a note on metal halides. Explain the reactivity of halogens with metals. Write a short note on interhalogen compounds.

When $1 \ mol$ of fluorine reacts with $2 \ mol$ of hot and concentrated $KOH$,the products formed are $KF$,$H_2O$,and $O_2$. What is the molar ratio of $KF$,$H_2O$,and $O_2$ produced?

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Name the gaseous products from the following $A$ and $B$ reactions,respectively.
$A.$ Hydrochloric acid is added to sodium sulphide.
$B.$ Concentrated sulphuric acid is added to a mixture of sodium chloride and manganese dioxide.