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ICSE Class 10 Chemistry Question 9 of 53

Study of Compounds — Hydrogen Chloride — Question 1

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Question 1

Hydrogen ChlorideComplete and balance the equations
a. Preparation of hydrogen chloride     
1. By direct combinationH2 + Cl2 ⟶ ...............
2. Laboratory preparations [metal chloride]NaCl+H2SO4→<200°C...............+HCl\text{NaCl} + \text{H}_2\text{SO}_4 \xrightarrow{\lt 200 \degree\text{C}} ............... + \text{HCl}
   NaCl+NaHSO4→>200°C...............+HCl\text{NaCl} + \text{NaHSO}_4 \xrightarrow{\gt 200 \degree\text{C}} ............... + \text{HCl}
   NaCl+H2SO4→>200°C...............+HCl\text{NaCl} + \text{H}_2\text{SO}_4 \xrightarrow{\gt 200 \degree\text{C}} ............... + \text{HCl}
Answer
Hydrogen ChlorideComplete and balance the equations
a. Preparation of hydrogen chloride     
1. By direct combinationH2 + Cl2 ⟶ 2HCl
2. Laboratory preparations [metal chloride]NaCl+H2SO4→<200°CNaHSO4+HCl\text{NaCl} + \text{H}_2\text{SO}_4 \xrightarrow{\lt 200 \degree\text{C}} \bold{NaHSO}_\bold{4} + \text{HCl}
   NaCl+NaHSO4→>200°CNa2SO4+HCl\text{NaCl} + \text{NaHSO}_4 \xrightarrow{\gt 200 \degree\text{C}} \bold{Na}_\bold{2}\bold{SO}_\bold{4} + \text{HCl}
   2NaCl+H2SO4→>200°CNa2SO4+2HCl2\text{NaCl} + \text{H}_2\text{SO}_4 \xrightarrow{\gt 200 \degree\text{C}} \bold{Na}_\bold{2}\bold{SO}_\bold{4} + \text{2HCl}