H₂S is not a
H₂S is not a
Options
(a) reducing agent (b) acidic (c) oxidising agent (d) none of these
Correct Answer:
oxidising agent
Explanation:
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Hydrogen and Redox Reactions
Numbers of moles of K₂Cr₂O₇ reduced by one mole os Sn²⁺
Numbers of moles of K₂Cr₂O₇ reduced by one mole os Sn²⁺
Options
(a) ⁺1/3 (b) 3 (c) ⁺1/6 (d) 6
Correct Answer:
⁺1/3
Explanation:
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M⁺³ ion loses 3e⁻. Its oxidation number will be
M⁺³ ion loses 3e⁻. Its oxidation number will be
Options
(a) 0 (b) 3 (c) 6 (d) -3
Correct Answer:
6
Explanation:
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The equilibrium weight of MnSO₄ is M/2 when it changes into
The equilibrium weight of MnSO₄ is M/2 when it changes into
Options
(a) KMnO₄ (b) K₂MnO₄ (c) MnO₂ (d) MnO
Correct Answer:
MnO₂
Explanation:
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Which of the following acts as both reducing and oxidising agent
Which of the following acts as both reducing and oxidising agent
Options
(a) H₂SO₄ (b) H₂O₂ (c) KOH (d) KMnO₄
Correct Answer:
H₂O₂
Explanation:
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The oxidation number of As in H₂AsO₄⁻ is
The oxidation number of As in H₂AsO₄⁻ is
Options
(a) 6 (b) 5 (c) -7 (d) 9
Correct Answer:
5
Explanation:
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Which is the redox reaction
Which is the redox reaction
Options
(a) BaCl₂ + H₂SO₄ → BaSO₄ + 2HCl (b) H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O (c) CH₃COOH + C₂H₅OH → CH₃COOC₂H₅ + H₂O (d) 2FeCl₃ + […]
Which of the following acts as an oxidising as well as reducing agent
Which of the following acts as an oxidising as well as reducing agent
Options
(a) Na₂O (b) Na₂O₂ (c) NaNO₃ (d) NaNO₂
Correct Answer:
NaNO₂
Explanation:
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What is the oxidation state of P in Ba(H₂PO₂)₂
What is the oxidation state of P in Ba(H₂PO₂)₂
Options
(a) 1 (b) 2 (c) 3 (d) -1
Correct Answer:
1
Explanation:
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Which conversion is an oxidation
Which conversion is an oxidation
Options
(a) SO₄²⁻ → SO₃ (b) Cu²⁺ → Cu (c) H⁺ → H (d) H⁻ → H
Correct Answer:
H⁻ → H
Explanation:
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