Hydrogen and Redox Reactions

The oxidation number of xenon in XeOF₂ is

Options

(a) zero (b) 2 (c) 4 (d) 3

Correct Answer:

4

Explanation:

No explanation available. Be the first to write the explanation for this […]

The strongest reducing agent among the following is

Options

(a) F⁻ (b) Cl⁻ (c) Br⁻ (d) I⁻

Correct Answer:

I⁻

Explanation:

No explanation available. Be the first to write the explanation for this […]

Which of the following is the strongest oxidising agent

Options

(a) HOCl (b) HClO₂ (c) HClO₃ (d) HClO₄

Correct Answer:

HClO₄

Explanation:

No explanation available. Be the first to write the explanation for […]

Volume of 0.1 M K₂Cr₂O₇ required to oxidize 35 mL of 0.5 M FeSO₄ solution is

Options

(a) 29.2 mL (b) 17.5 mL (c) 175 mL (d) 145 mL

Correct Answer:

29.2 mL

[…]

Of the following reaction, only one is a redox reaction.Identify this reaction

Options

(a) Ca(OH)₂ + 2HCl → CaCl₂ + 2H₂O (b) 2S₂O₇²⁻ + 2H₂O → 2SO₄²⁻ + 4H⁺ (c) BaCl₂ + MgSO₄ […]

Which of the following is a disproportionation reaction

Options

(a) 2Cu⁺ → Cu²⁺ + Cu (b) Cu → Cu⁺ (c) Cl₂ → 2Cl⁻ (d) 2Mg + O₂ → 2MgO

Correct Answer:

2Cu⁺ → […]

The oxidation number of sulphur is -1 in

Options

(a) FeS (b) FeS₂ (c) 2NaO – S = O₂ (d) 2NaO – S₂ = O₂

Correct Answer:

FeS₂

Explanation:

No explanation available. Be […]

In which of the following compounds manganese has oxidation number equal to that of iodine in KIO₄

Options

(a) Potassium manganate (b) potassium permanganate (c) Manganous chloride (d) Manganese chloride

Correct Answer:

potassium […]

A 2.5 mol sample of N₂H₄ loses 25 mol of electrons in being converted to a new compound X, Assuming that all of the nitrogen appears in the new compound, what is the oxidation state […]