In the reaction : 4Fe + 3O₂ ⇌ 4Fe³⁺ + 6O₂²⁻. Which of the following
In the reaction : 4Fe + 3O₂ ⇌ 4Fe³⁺ + 6O₂²⁻. Which of the following statement is incorrect
Options
(a) Metallic iron is a reducing agent (b) Fe³⁺ is an oxidising agent (c) […]
Hydrogen and Redox Reactions
Oxidation state of sulphur in S₈, H₂S and S₂F₂ is
Oxidation state of sulphur in S₈, H₂S and S₂F₂ is
Options
(a) 0, -2, -1 (b) 0, 2, -1 (c) 1, -2, 1 (d) 0, -2, 1
Correct Answer:
0, -2, 1
Explanation: […]
Oxidation number of carbon in CH₂Cl₂ is
Oxidation number of carbon in CH₂Cl₂ is
Options
(a) 0 (b) 2 (c) 3 (d) 5
Correct Answer:
0
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which of the following hydrides is electron deficient molecule?
Which of the following hydrides is electron deficient molecule?
Options
(a) CH₄ (b) NaH (c) B₂H₆ (d) CaH₂
Correct Answer:
B₂H₆
Explanation:
No explanation available. Be the first to write the explanation for […]
Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are
Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are
Options
(a) -1, -1, 0 , 1 (b) 3, 5, 7, 0 (c) 5, 7, -1, 0 (d) -1, -5, -1, […]
The oxidation state of sulpur in sodium tetrathionate (Na₂S₄O₆) is
The oxidation state of sulpur in sodium tetrathionate (Na₂S₄O₆) is
Options
(a) 2 (b) 0 (c) 2.5 (d) 3.5
Correct Answer:
2.5
Explanation:
No explanation available. Be the first to write the explanation […]
100 cm of a given sample of H₂O₂ gives 1000 cm³ of O₂ at STP. The given sample is
100 cm of a given sample of H₂O₂ gives 1000 cm³ of O₂ at STP. The given sample is
Options
(a) 10% H₂O₂ (b) 90% H₂O₂ (c) 10 volume H₂O₂ (d) 100 volume […]
The oxidation state of nitrogen is highest in
The oxidation state of nitrogen is highest in
Options
(a) N₃H (b) NH₃ (c) N₂H₄ (d) NH₂OH
Correct Answer:
N₃H
Explanation:
No explanation available. Be the first to write the explanation for this […]
During the electrolysis of H₂O, volume of H₂ and O₂ are released in the ratio
During the electrolysis of H₂O, volume of H₂ and O₂ are released in the ratio
Options
(a) 2:16 (b) 16:1 (c) 8:1 (d) 2:1
Correct Answer:
2:1
Explanation:
No explanation available. Be the […]
Which of the following can act as both oxidising and reducing agents
Which of the following can act as both oxidising and reducing agents
Options
(a) Cl₂ (b) H₂O₂ (c) Cu₂S (d) HI
Correct Answer:
H₂O₂
Explanation:
No explanation available. Be the first to write […]