In acidic medium, one mole each of $MnO_4^-$ and $Cr_2O_7^{2-}$ is reduced by $x$ and $y$ moles of ferrous ions $(Fe^{2+})$ respectively. The sum of $x$ and $y$ is:
- A$14$
- B$12$
- C$10$
- D$11$
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When a manganous salt is fused with a mixture of $KNO_3$ and solid $NaOH$, the oxidation number of $Mn$ changes from $+2$ to:
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View SolutionOxalic acid when treated with potassium permanganate in the presence of an acid,produces
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View SolutionMatch the chemical reactions given in List-$I$ with their types given in List-$II$:
List-$I$ List-$II$ $A$. $TiCl_{4(l)} + 2Mg_{(s)} \xrightarrow{\Delta} Ti_{(s)} + 2MgCl_{2(s)}$ $I$. Disproportionation reaction $B$. $2H_2O_{2(aq)} \rightarrow 2H_2O_{(l)} + O_{2(g)}$ $II$. Metal displacement reaction $C$. $C_{(s)} + O_{2(g)} \xrightarrow{\Delta} CO_{2(g)}$ $III$. Decomposition reaction $D$. $2NaH_{(s)} \xrightarrow{\Delta} 2Na_{(s)} + H_{2(g)}$ $IV$. Combination reaction
| List-$I$ | List-$II$ |
| $A$. $TiCl_{4(l)} + 2Mg_{(s)} \xrightarrow{\Delta} Ti_{(s)} + 2MgCl_{2(s)}$ | $I$. Disproportionation reaction |
| $B$. $2H_2O_{2(aq)} \rightarrow 2H_2O_{(l)} + O_{2(g)}$ | $II$. Metal displacement reaction |
| $C$. $C_{(s)} + O_{2(g)} \xrightarrow{\Delta} CO_{2(g)}$ | $III$. Decomposition reaction |
| $D$. $2NaH_{(s)} \xrightarrow{\Delta} 2Na_{(s)} + H_{2(g)}$ | $IV$. Combination reaction |
Match the List-$I$ with List-$II$
List-$I$ $(\text{Redox Reaction})$ List-$II$ $(\text{Type of Redox Reaction})$ $A$. $CH_{4(g)} + 2O_{2(g)} \xrightarrow{\Delta} CO_{2(g)} + 2H_2O_{(l)}$ $I$. Disproportionation reaction $B$. $2NaH_{(s)} \xrightarrow{\Delta} 2Na_{(s)} + H_{2(g)}$ $II$. Combination reaction $C$. $V_2O_{5(s)} + 5Ca_{(s)} \xrightarrow{\Delta} 2V_{(s)} + 5CaO_{(s)}$ $III$. Decomposition reaction $D$. $2H_2O_{2(aq)} \xrightarrow{\Delta} 2H_2O_{(l)} + O_{2(g)}$ $IV$. Displacement reaction
Choose the correct answer from the options given below:
| List-$I$ $(\text{Redox Reaction})$ | List-$II$ $(\text{Type of Redox Reaction})$ |
|---|---|
| $A$. $CH_{4(g)} + 2O_{2(g)} \xrightarrow{\Delta} CO_{2(g)} + 2H_2O_{(l)}$ | $I$. Disproportionation reaction |
| $B$. $2NaH_{(s)} \xrightarrow{\Delta} 2Na_{(s)} + H_{2(g)}$ | $II$. Combination reaction |
| $C$. $V_2O_{5(s)} + 5Ca_{(s)} \xrightarrow{\Delta} 2V_{(s)} + 5CaO_{(s)}$ | $III$. Decomposition reaction |
| $D$. $2H_2O_{2(aq)} \xrightarrow{\Delta} 2H_2O_{(l)} + O_{2(g)}$ | $IV$. Displacement reaction |
Choose the correct answer from the options given below:
$KMnO_4$ acts as an oxidizing agent in weak alkaline medium. When weak alkaline $KMnO_4$ is treated with $KI$,iodide ion is oxidized to $.........$
Medium
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