Question 1Preparation of nitric acidNitric acidComplete and balance the equationsLaboratory preparation from nitrates 1. Potassium nitrate [nitre]KNO3+H2SO4[conc.]→

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Question 1Preparation of nitric acidNitric acidComplete and balance the equationsLaboratory preparation from nitrates 1. Potassium nitrate [nitre]KNO3+H2SO4[conc.]→<200°C...............+............... ext{KNO}_3 + ext{H}_2 ext{SO}_4 [ ext{conc.}]\xrightarrow{\lt 200 \degree ext{C}} ............... + ...............KNO3+H2SO4[conc.]<200°C...............+...............2. Sodium nitrate [chile salt petre]NaNO3+H2SO4[conc.]→<200°C...............+............... ext{NaNO}_3 + ext{H}_2 ext{SO}_4 [ ext{conc.}]\xrightarrow{\lt 200 \degree ext{C}} ............... + ...............NaNO3+H2SO4[conc.]<200°C...............+...............[NaNO3+NaHSO4[conc.]→>200°C...............+...............][ ext{NaNO}_3 + ext{NaHSO}_4 [ ext{conc.}]\xrightarrow{\gt 200 \degree ext{C}} ............... + ...............][NaNO3+NaHSO4[conc.]>200°C...............+...............]Atmospheric nitrogen to nitric acid 3. Nitrogen to nitric oxideN2 + ............... ⟶ ...............4. Nitric oxide to nitrogen dioxide............... + ............... ⟶ NO25. Nitrogen dioxide to nitric acid[Nitric acid to soluble nitrates]NO2 + ............... + ............... ⟶ HNO3[HNO3 + ............... ⟶ Ca(NO3)2 + ............... + ...............]Manufacture of nitric acid Ostwald's process 6. Step 1 [Catalytic chamber]NH3+O2→700−800°CPt...............+............... ext{NH}_3 + ext{O}_2 \xrightarrow[700-800 \degree ext{C}]{ ext{Pt}} ............... + ...............NH3+O2Pt700−800°C...............+...............7. Step 2 [Oxidation chamber]NO+O2→50°C............... ext{NO} + ext{O}_2 \xrightarrow{50 \degree ext{C}} ...............NO+O250°C...............8. Step 3 [Absorption tower]NO2 + H2O + O2 ⟶ ...............

Accepted Answer

Nitric acidComplete and balance the equationsPreparation of nitric acid Laboratory preparation from nitrates 1. Potassium nitrate [nitre]KNO3+H2SO4[conc.]→<200°CKHSO4+HNO3 ext{KNO}_3 + ext{H}_2 ext{SO}_4 [ ext{conc.}]\xrightarrow{\lt 200 \degree ext{C}} \bold{KHSO}_\bold{4} + \bold{HNO}_\bold{3}KNO3+H2SO4[conc.]<200°CKHSO4+HNO32. Sodium nitrate [chile salt petre]NaNO3+H2SO4[conc.]→<200°CNaHSO4+HNO3 ext{NaNO}_3 + ext{H}_2 ext{SO}_4 [ ext{conc.}]\xrightarrow{\lt 200 \degree ext{C}} \bold{NaHSO}_\bold{4} + \bold{HNO}_\bold{3}NaNO3+H2SO4[conc.]<200°CNaHSO4+HNO3NaNO3+NaHSO4[conc.]→>200°CNa2SO4+HNO3 ext{NaNO}_3 + ext{NaHSO}_4 [ ext{conc.}]\xrightarrow{\gt 200 \degree ext{C}} \bold{Na}_\bold{2}\bold{SO}_\bold{4} + \bold{HNO}_\bold{3}NaNO3+NaHSO4[conc.]>200°CNa2SO4+HNO3Atmospheric nitrogen to nitric acid 3. Nitrogen to nitric oxideN2+O2→dischargelightning2NO ext{N}_2 + \bold{O}_\bold{2} \xrightarrow[ ext{discharge}]{ ext{lightning}} \bold{2NO}N2+O2lightningdischarge2NO4. Nitric oxide to nitrogen dioxide2NO + O2 ⟶ 2NO25. Nitrogen dioxide to nitric acid[Nitric acid to soluble nitrates]4NO2 + 2H2O + O2 ⟶ 4HNO3[2HNO3 + CaCO3 ⟶ Ca(NO3)2 + H2O + CO2]Manufacture of nitric acid Ostwald's process 6. Step 1 [Catalytic chamber]4NH3+5O2→700−800°CPt4NO+6H2O4 ext{NH}_3 + 5 ext{O}_2 \xrightarrow[700-800 \degree ext{C}]{ ext{Pt}} \bold{4NO} + \bold{6H}_\bold{2}\bold{O}4NH3+5O2Pt700−800°C4NO+6H2O7. Step 2 [Oxidation chamber]2NO+O2→50°C2NO22 ext{NO} + ext{O}_2 \xrightarrow{50 \degree ext{C}} \bold{2NO}_\bold{2}2NO+O250°C2NO28. Step 3 [Absorption tower]4NO2 + 2H2O + O2 ⟶ 4HNO3

Nitric acid	Complete and balance the equations
Laboratory preparation from nitrates
1. Potassium nitrate [nitre]	$\text{KNO}_3 + \text{H}_2\text{SO}_4 [\text{conc.}]\xrightarrow{\lt 200 \degree\text{C}} ............... + ...............$
2. Sodium nitrate [chile salt petre]	$\text{NaNO}_3 + \text{H}_2\text{SO}_4 [\text{conc.}]\xrightarrow{\lt 200 \degree\text{C}} ............... + ...............$ $[\text{NaNO}_3 + \text{NaHSO}_4 [\text{conc.}]\xrightarrow{\gt 200 \degree\text{C}} ............... + ...............]$
Atmospheric nitrogen to nitric acid
3. Nitrogen to nitric oxide	N₂ + ............... ⟶ ...............
4. Nitric oxide to nitrogen dioxide	............... + ............... ⟶ NO₂
5. Nitrogen dioxide to nitric acid [Nitric acid to soluble nitrates]	NO₂ + ............... + ............... ⟶ HNO₃ [HNO₃ + ............... ⟶ Ca(NO₃)₂ + ............... + ...............]
Manufacture of nitric acid
Ostwald's process
6. Step 1 [Catalytic chamber]	$\text{NH}_3 + \text{O}_2 \xrightarrow[700-800 \degree\text{C}]{\text{Pt}} ............... + ...............$
7. Step 2 [Oxidation chamber]	$\text{NO} + \text{O}_2 \xrightarrow{50 \degree \text{C}} ...............$
8. Step 3 [Absorption tower]	NO₂ + H₂O + O₂ ⟶ ...............

Nitric acid	Complete and balance the equations
Preparation of nitric acid
Laboratory preparation from nitrates
1. Potassium nitrate [nitre]	$\text{KNO}_3 + \text{H}_2\text{SO}_4 [\text{conc.}]\xrightarrow{\lt 200 \degree\text{C}} \bold{KHSO}_\bold{4} + \bold{HNO}_\bold{3}$
2. Sodium nitrate [chile salt petre]	$\text{NaNO}_3 + \text{H}_2\text{SO}_4 [\text{conc.}]\xrightarrow{\lt 200 \degree\text{C}} \bold{NaHSO}_\bold{4} + \bold{HNO}_\bold{3}$ $\text{NaNO}_3 + \text{NaHSO}_4 [\text{conc.}]\xrightarrow{\gt 200 \degree\text{C}} \bold{Na}_\bold{2}\bold{SO}_\bold{4} + \bold{HNO}_\bold{3}$
Atmospheric nitrogen to nitric acid
3. Nitrogen to nitric oxide	$\text{N}_2 + \bold{O}_\bold{2} \xrightarrow[\text{discharge}]{\text{lightning}} \bold{2NO}$
4. Nitric oxide to nitrogen dioxide	*2NO* + O₂ ⟶ 2NO₂
5. Nitrogen dioxide to nitric acid [Nitric acid to soluble nitrates]	4NO₂ + *2H₂O* + O₂ ⟶ 4HNO₃ [2HNO₃ + *CaCO₃* ⟶ Ca(NO₃)₂ + *H₂O* + *CO₂*]
Manufacture of nitric acid
Ostwald's process
6. Step 1 [Catalytic chamber]	$4\text{NH}_3 + 5\text{O}_2 \xrightarrow[700-800 \degree\text{C}]{\text{Pt}} \bold{4NO} + \bold{6H}_\bold{2}\bold{O}$
7. Step 2 [Oxidation chamber]	$2\text{NO} + \text{O}_2 \xrightarrow{50 \degree\text{C}} \bold{2NO}_\bold{2}$
8. Step 3 [Absorption tower]	4NO₂ + 2H₂O + O₂ ⟶ *4HNO₃*

Study of Compounds — Nitric Acid — Question 1

Question 1