Upon the addition of a solution $A$ to a strongly acidified solution of barium nitrate,a white precipitate was obtained which did not dissolve even after large addition of water. Solution $A$ contained
- ASodium phosphate
- BSodium carbonate
- CSodium sulphate
- DSodium chloride
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Match List-$I$ with List-$II$.
List-$I$ (Types of redox reactions) List-$II$ (Examples) $a.$ Combination reaction $(i)$ $Cl_{2(g)} + 2Br^-_{(aq)} \rightarrow 2Cl^-_{(aq)} + Br_{2(l)}$ $b.$ Decomposition reaction $(ii)$ $2H_2O_{2(aq)} \rightarrow 2H_2O_{(l)} + O_{2(g)}$ $c.$ Displacement reaction $(iii)$ $CH_{4(g)} + 2O_{2(g)} \xrightarrow{\Delta} CO_{2(g)} + 2H_2O_{(l)}$ $d.$ Disproportionation reaction $(iv)$ $2H_2O_{(l)} \xrightarrow{\text{electrolysis}} 2H_{2(g)} + O_{2(g)}$
Choose the correct answer from the options given below.
| List-$I$ (Types of redox reactions) | List-$II$ (Examples) |
|---|---|
| $a.$ Combination reaction | $(i)$ $Cl_{2(g)} + 2Br^-_{(aq)} \rightarrow 2Cl^-_{(aq)} + Br_{2(l)}$ |
| $b.$ Decomposition reaction | $(ii)$ $2H_2O_{2(aq)} \rightarrow 2H_2O_{(l)} + O_{2(g)}$ |
| $c.$ Displacement reaction | $(iii)$ $CH_{4(g)} + 2O_{2(g)} \xrightarrow{\Delta} CO_{2(g)} + 2H_2O_{(l)}$ |
| $d.$ Disproportionation reaction | $(iv)$ $2H_2O_{(l)} \xrightarrow{\text{electrolysis}} 2H_{2(g)} + O_{2(g)}$ |
Choose the correct answer from the options given below.
MediumKCET 2025
View SolutionWhich of the following is not a redox reaction?
Medium
View SolutionWhich of the following occurs with $KMnO_4$ in neutral or faintly alkaline medium?
Light green crystals of ferrous sulphate lose water molecules and turn brown on exposure to air. This is due to its oxidation to:
Medium
View SolutionAssign $A, B, C, D$ from the given type of reaction.
$Sr(AcO)_2 + Ag_2SO_4 \longrightarrow 2AcOAg \downarrow + SrSO_4 \downarrow$
$Sr(AcO)_2 + Ag_2SO_4 \longrightarrow 2AcOAg \downarrow + SrSO_4 \downarrow$
Medium
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