2FeSO₄ $\rightarrow$ Fe₂O₃ + SO₂+ _____

Academic Chemistry NCERT Class 10

2FeSO4 $\rightarrow$ Fe2O3 + SO2 + SO₃

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Updated on: 10-Oct-2022

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What type of reactions are represented by the following equations?(i) CaCO3 ------> CaO + CO2(ii) CaO + H2O ------> Ca(OH)2(iii) 2FeSO4 ------> Fe2O3 + SO2 + SO3(iv) NH4Cl ------> NH3 + HCl(v) 2Ca + O2 ------> 2CaO
Complete and balance the following chemical equations :(i) $NaOH(aq) + Zn(s)\rightarrow$(ii) $CaCO_3(s) + H_2O(l) + CO_2(g)\rightarrow$(iii) $HCl(aq) + H_2O(l) \rightarrow$
The compound obtained on reaction of iron with steam is/are:(a) Fe2O3 (b) Fe3O4(c) FeO (d) Fe2O3 and Fe3O4
Which of the following is a displacement reaction?(a) $MgCO_3 \rightarrow MgO + CO_2$ (b) $2Na + 2H_20 \rightarrow 2NaOH + H_2$ (c) $2H_2 + O_2 \rightarrow 2H_2O$ (d) $2Pb(NO_3)_2 \xrightarrow{heat} 2PbO + 4NO_2 +O_2$
How to balance the chemical equation- Fe + O2 + H2O = Fe2O3.H2O
Balance The Equationsnormal \( a. C u+F e Cl_{2} \rightarrow C u Cl_{2}+F e \)\( b. F e+O_{2} \rightarrow Fe_{2}O_{5} \)\( c. C_{2} H_{2}+O_{2} \rightarrow H_{2} O+CO_{2} \)
Balance the following:$\ Fe\ +\ O_{2}\rightarrow \ Fe_{2} O_{3} \ $
Which of the following are combination reactions?$2KClO_3 \xrightarrow {heat} 2KCl + 3O_2$$MgO +H_2O \rightarrow Mg(OH)_2 $$4Al + 3O_2 \rightarrow 2Al_2O_3$$ Zn+ FeSO_4\rightarrow ZnSO_4 + Fe$(a) (i) and (iii)(b) (iii) and (iv)(c) (ii) and (iv) (d) (ii) and (iii)
Classify the following into acidic oxides and basic oxides:Na2O, SO2, MgO, CO2
(a) Classify the following reactions into different types :(i) $AgNO_3(aq) + NaCl(aq) \rightarrow AgCl(s) + NaNO_3(aq)$(ii) $CaO(s) + H_2O(l) \rightarrow Ca(OH)_2 (aq)$(iii) $2KClO_3(s) \rightarrow 2KCl(aq) + 3O_2 (g)$(iv) $Zn + CuSO_4 \rightarrow ZnSO_4 + Cu$(b) Translate the following statement into a balanced chemical equation : ‘‘Barium chloride reacts with aluminium sulphate to give aluminium chloride and barium sulphate.’’
Select the oxidising agent for the following reaction:$H_2S + I_2 \rightarrow 2HI + S$
Identify A" in the following reaction: $CH_3COOH + Na_2CO_3 \rightarrow A + CO_2 +H_2O$ CH3COONaCH2(Na) COOHNaOHNaHCO3"
Give the characteristic tests for the following gases(a) CO2(b) SO2(c) O2(d) H2
Complete the equations given below-1. Iron \( (\mathrm{Fe})+ \) Oxygen \( \left(\mathrm{O}_{2}\right)+ \) Water \( \left(\mathrm{H}_{2} \mathrm{O}\right) \rightarrow ? \)2. Magnesium \( (\mathrm{Mg})+ \) Oxygen \( \left(\mathrm{O}_{2}\right){\prime} \rightarrow ? \)
Fe2O3 + 2Al → Al2O3 + 2FeThe above reaction is an example of a(a) combination reaction(b) double displacement reaction(c) decomposition reaction(d) displacement reaction

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