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 Answer:
sulphur
Explanation:
H₂O₂ → H₂O + [O], H₂S + [O] → S + […]
Hydrogen and Redox Reactions
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:
SO₃
Explanation:
(a) H₂O₂ + O₃ → H₂O + 2O₂,
(b) SO₃ + O₃ […]
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 10⁻²³cm³ (c) 3.0 ˣ 10⁻²³cm³ (d) 11200cm³
Correct Answer:
3.0 ˣ 10⁻²³cm³
Explanation: […]
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 fluorine reacts with water:
2F2(g) + 2H2O(I) → 4H+(aq) + 4F–(aq) […]
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 Answer:
11.6⁰C
Explanation:
No explanation available. Be the first to write the explanation […]
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 formed (d) NaOC₂H₅ and H₂ are formed
Correct Answer:
NaOC₂H₅ and H₂ are […]
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 slowly than H₂O (c) Viscosity higher than H₂O at 25⁰ (d) Solubility of […]
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 points (b) Ortho form is more stable than para form (c) They differ […]
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 (d) 85
Correct Answer:
34
Explanation:
1 mL of solution contains 0.03035 g […]
Syngas is a mixture of
Syngas is a mixture of
Options
(a) CO₂ + H₂ (b) CO + H₂ (c) CO + CO₂ (d) CO + N₂
Correct Answer:
CO + H₂
Explanation:
No explanation available. Be the […]