Tritium is the isotope of
Tritium is the isotope of
Options
(a) carbon (b) sulphur (c) hydrogen (d) oxygen
Correct Answer:
hydrogen
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Chemistry
ortho and para hydrogen differ in the
ortho and para hydrogen differ in the
Options
(a) nature of spin of protons (b) nature of spin of electrons (c) number of protons (d) molecular weight
Correct Answer:
nature of spin of […]
Heavy water is
Heavy water is
Options
(a) water containing sulphate of Ca and Mg (b) water containning heavy ion (c) water at 4° C (d) D₂O
Correct Answer:
D₂O
Explanation:
Heavy water D₂O. It contains […]
H₂O₂ is manufactured these days by
H₂O₂ is manufactured these days by
Options
(a) the action of H₂O₂ on BaO₂ (b) the action of H₂SO₄ on Na₂O₂ (c) electrolysis of 50% H₂SO₄ (d) burning hydrogen in excess of oxygen
Correct […]
Ionic hydrides reacts with water to give
Ionic hydrides reacts with water to give
Options
(a) hydride ion (b) acidic solution (c) protons (d) basic solution
Correct Answer:
basic solution
Explanation:
No explanation available. Be the first to write the […]
In H₂O₂ molecules, the angle between two O-H planes is
In H₂O₂ molecules, the angle between two O-H planes is
Options
(a) 103⁰ (b) 94⁰ (c) 105⁰ (d) 101⁰
Correct Answer:
94⁰
Explanation:
No explanation available. Be the first to write the explanation […]
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 + […]
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) […]