Which of the following hydrides is electron-precise hydride?
1. B2H6
2. NH3
3. H2O
4. CH4
Radioactive elements emit , , and rays and are characterized by their half-lives. The radioactive isotope of hydrogen is
1. Protium
2. Deuterium
3. Tritium
4. Hydronium
Consider the reactions
(i)
(ii)
Which of the following statements is correct about H2O2 with reference to these reactions? Hydrogen peroxide is ______.
1. an oxidising agent in both (i) and (ii)
2. an oxidisng agent in (i) and reducing agent in (ii)
3. a reducing agent in (i) and oxidising agent in (ii)
4. a reducing agent in both (i) and (ii)
The oxide that gives on treatment with dilute is
1.
2.
3.
4.
Which of the following equations depict the oxidising nature of ?
1.
2.
3.
4.
Which of the following equation depicts reducing nature of ?
1.
2.
3.
4.
Hydrogen peroxide is-
1. an oxidising agent
2. a reducing agent
3. both an oxidising and a reducing agent
4. neither oxidising nor reducing agent.
Which of the following reactions increases production of dihydrogen from synthesis gas?
1.
2.
3.
4.
When sodium peroxide is treated with dilute sulphuric acid, we get _____.
1. | Sodium sulphate and water |
2. | Sodium sulphate and oxygen |
3. | Sodium sulphate, hydrogen and oxygen |
4. | Sodium sulphate and hydrogen peroxide |
Hydrogen peroxide is obtained by the electrolysis of ______.
1. water
2. sulphuric acid
3. hydrochloric acid
4. fused sodium peroxide