Hydrogen and Redox Reactions Archives - Page 2 of 18

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

7 years ago

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

7 years ago

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

7 years ago

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

7 years ago

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

7 years ago

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

7 years ago

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

7 years ago

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

7 years ago

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

7 years ago

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

7 years ago