Hydrogen and Redox Reactions Archives - Page 17 of 18

In the reaction : 4Fe + 3O₂ ⇌ 4Fe³⁺ + 6O₂²⁻. Which of the following statement is incorrect Options (a)…

7 years ago

Oxidation state of sulphur in S₈, H₂S and S₂F₂ is Options (a) 0, -2, -1 (b) 0, 2, -1 (c)…

7 years ago

Oxidation number of carbon in CH₂Cl₂ is Options (a) 0 (b) 2 (c) 3 (d) 5 Correct Answer: 0Explanation:No explanation…

7 years ago

Which of the following hydrides is electron deficient molecule? Options (a) CH₄ (b) NaH (c) B₂H₆ (d) CaH₂ Correct Answer:…

7 years ago

Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are Options (a) -1, -1, 0 , 1 (b)…

7 years ago

The oxidation state of sulpur in sodium tetrathionate (Na₂S₄O₆) is Options (a) 2 (b) 0 (c) 2.5 (d) 3.5 Correct…

7 years ago

100 cm of a given sample of H₂O₂ gives 1000 cm³ of O₂ at STP. The given sample is Options…

7 years ago

The oxidation state of nitrogen is highest in Options (a) N₃H (b) NH₃ (c) N₂H₄ (d) NH₂OH Correct Answer: N₃HExplanation:No…

7 years ago

During the electrolysis of H₂O, volume of H₂ and O₂ are released in the ratio Options (a) 2:16 (b) 16:1…

7 years ago

Which of the following can act as both oxidising and reducing agents Options (a) Cl₂ (b) H₂O₂ (c) Cu₂S (d)…

7 years ago