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ICSE Class 10 Chemistry Question 25 of 53

Study of Compounds — Hydrogen Chloride — Question 22

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Question 4(2012)

Give balanced equations with conditions, if any, for the following conversions A to D.

A : Sodium Chloride ⟶ Hydrogen Chloride

B : Hydrogen Chloride ⟶ Iron (II) chloride

C : Hydrogen Chloride ⟶ Ammonium chloride

D : Hydrogen Chloride ⟶ Lead chloride.

Answer

A: NaCl+H2SO4→<200°CNaHSO4+HCl [g]\text{NaCl} + \text{H}_2\text{SO}_4 \xrightarrow{\lt 200 \degree\text{C}} \text{NaHSO}_4 + \text{HCl [g]}

B: Fe + 2HCl (dil.) ⟶ FeCl2 + H2 [g]

C: NH4OH + HCl (dil.)⟶ NH4Cl + H2O

D: PbO2+4HCl→ΔPbCl2+2H2O+Cl2\text{PbO}_2 + 4\text{HCl} \xrightarrow{\Delta} \text{PbCl}_2 + 2\text{H}_2\text{O} + \text{Cl}_2