The correct statement(s) about the given reaction is -

XeO6(aq)4-+2F-1(aq)+6H+(aq)
XeO3(g)+F2(g)+3H2O(l)

1. XeO64- oxidises F-

2. The oxidation number of F increases from -1  to  zero

3. XeO64- is a stronger oxidizing agent that F-

4. All of the above.

Subtopic:  Introduction to Redox and Oxidation Number | Oxidizing & Reducing Agents |
 86%
From NCERT
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The oxidising agent and reducing agent in the given reaction are

5P4s+12H2Ol+12HO-aq
8PH3g+12HPO2-aq

1. Oxidising agent = P4; Reducing agent = P4

2. Oxidising agent = P4; Reducing agent = H2O

3. Oxidising agent = H2O; Reducing agent = P4

4. None of the above

Subtopic:  Redox Titration & Type of Redox |
 68%
From NCERT
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The correct statement about the given reaction is-

(CN)2(g) + 2OH-(aq) CN-(aq) + CNO-(aq) + H2O(l)

1. The reaction is an example of a disproportionation reaction
2. Hydrogen atom gets oxidized
3. Reaction occurs in acidic medium
4. None of the above

Subtopic:  Emf & Electrode Potential |
 81%
From NCERT
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The Mn3+ ion is unstable in solution and undergoes disproportionation reaction to give Mn2+, MnO2 and H+ ion. The balanced ionic equation for the reaction is-

1. \(\small{2 \mathrm{Mn}^{3+}{ }_{(\mathrm{aq})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})} \rightarrow \mathrm{MnO}_{2(\mathrm{~s})}+\mathrm{Mn}^{2+}{ }_{(\mathrm{aq})}+4 \mathrm{H}^{+}{ }_{(\mathrm{aq})}}\)
2. Mn3+(aq) + H2O(l) → MnO2(s) + 2Mn2+(aq) + 4H+(aq)
3. \(\small{5 \mathrm{Mn}^{3+}(\mathrm{aq})+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})} \rightarrow \mathrm{MnO}_{2(\mathrm{s})}+3 \mathrm{Mn}^{2+}(\mathrm{aq})+4 \mathrm{H}^{+}(\mathrm{aq})}\)
4. \(\small{2 \mathrm{Mn}^{3+}{ }_{(\mathrm{aq})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})} \rightarrow 2 \mathrm{MnO}_{2(\mathrm{s})}+2 \mathrm{Mn}^{2+}{ }_{(\mathrm{aq})}+4 \mathrm{H}^{+}{ }_{(\mathrm{aq})}}\)

Subtopic:  Emf & Electrode Potential |
 79%
From NCERT
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Which element exhibits both positive and negative oxidation states?

1. Cs 2. Ne
3. I 4. F
Subtopic:  Introduction to Redox and Oxidation Number |
 64%
From NCERT
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The balanced equation for the reaction between chlorine and sulphur dioxide in water is-

1. Cl2(s) + SO2(aq) + 2H2O(I) →2Cl-(aq) + SO42-(aq) + 4H+(aq)
2. 3Cl2(s) + SO2(aq) + 2H2O(I) →Cl-(aq) + SO42-(aq) + 3H+(aq)
3. Cl2(s) + 3SO2(aq) + H2O(I) →Cl-(aq) + 2SO42-(aq) + 4H+(aq)
4. 2Cl2(s) + SO2(aq) + H2O(I) →2Cl-(aq) + SO42-(aq) + 4H+(aq)

Subtopic:  Balancing of Equations |
 83%
From NCERT
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The set of metals that can show disproportionation reaction is -

1. Cu, Na, Li 2. Mg, F, Ne
3. P, Cl, S 4. Mn, Cu, Ga
Subtopic:  Redox Titration & Type of Redox |
From NCERT
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The maximum weight of nitric oxide that can be obtained starting only with 10.00 g of ammonia and 20.00 g of oxygen is -

1. 9 g 2. 15 g
3. 12 g 4. 11g
Subtopic:  Balancing of Equations |
 64%
From NCERT
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Consider the given data:

EFe3+/Fe2+=0.77; EI-/I2= -0.54
EAg+/Ag=0.80; ECu/Cu2+= -0.34
EFe3+/Fe2+=0.77; ECu/Cu2+= -0.34
EAg/Ag+=-0.80; EFe3+/Fe2+=0.77

Using the electrode potential values given above, identify the reaction which is not feasible:

1. Fe3+(aq) and I- aq)
2. Ag+(aq) and Cu(s)
3. Fe3+(aq) and Cu(s)
4. Ag(s) and Fe3+(aq)

Subtopic:  Application of Electrode Potential |
 61%
From NCERT
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The correct statement about the electrolysis of an aqueous solution of AgNO3 with Ag electrode is-

1. Ag+ ion gets oxidised at cathode; Ag(s) is reduced at anode
2. H2O gets reduced at cathode; H2O gets oxidised at anode
3. Ag+ ion gets reduced at cathode; H2O is oxidised at anode
4. Ag+ ion gets reduced at cathode; Ag(s) is oxidised at anode

Subtopic:  Application of Electrode Potential |
From NCERT
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