Hydrogen and Redox Reactions

In aqueous solution of H₂O₂ oxidises H₂S

In aqueous solution of H₂O₂ oxidises H₂S Options (a) formic acid (b) sulphur (c) acetic acid (d) sulphuric acid Correct…

Oxygen is not evolved on reaction of ozone with

Oxygen is not evolved on reaction of ozone with Options (a) H₂O₂ (b) SO₃ (c) Hg (d) KI Correct Answer:…

The volume occupies by one molecules of water is [density of water =1g/cm³

The volume occupies by one molecules of water is [density of water =1g/cm³ Options (a) 22400 cm³ (b) 6.02 ˣ…

Water is oxidised to oxygen by

Water is oxidised to oxygen by Options (a) KMnO₄ (b) O₃ (c) H₂O₂ (d) F₂ Correct Answer: F₂ Explanation: When…

The temperature, at which heavy water has maximum density is

The temperature, at which heavy water has maximum density is Options (a) 1.16⁰C (b) 4.6⁰C (c) 4⁰C (d) 11.6⁰C Correct…

When sodium is added to ethanol

When sodium is added to ethanol Options (a) no action occurs (b) NaOC₂H₅ and O₂ are formed (c) H₂ is…

Which of the following is not correct for D₂O

Which of the following is not correct for D₂O Options (a) Boiling point is higher than H₂O (b) D₂O reacts…

Which one of the following statements is not correct for ortho and para hydrogen?

Which one of the following statements is not correct for ortho and para hydrogen? Options (a) They have different boiling…

The strength of H₂O₂ (in g/litre) in 11.2 volume solution of H₂O₂ is

The strength of H₂O₂ (in g/litre) in 11.2 volume solution of H₂O₂ is Options (a) 17 (b) 51 (c) 34…

Syngas is a mixture of

Syngas is a mixture of Options (a) CO₂ + H₂ (b) CO + H₂ (c) CO + CO₂ (d) CO…