Hydrogen and Redox Reactions Archives - Page 9 of 18

H₂S is not a Options (a) reducing agent (b) acidic (c) oxidising agent (d) none of these Correct Answer: oxidising…

7 years ago

Numbers of moles of K₂Cr₂O₇ reduced by one mole os Sn²⁺ Options (a) ⁺1/3 (b) 3 (c) ⁺1/6 (d) 6…

7 years ago

M⁺³ ion loses 3e⁻. Its oxidation number will be Options (a) 0 (b) 3 (c) 6 (d) -3 Correct Answer:…

7 years ago

The equilibrium weight of MnSO₄ is M/2 when it changes into Options (a) KMnO₄ (b) K₂MnO₄ (c) MnO₂ (d) MnO…

7 years ago

Which of the following acts as both reducing and oxidising agent Options (a) H₂SO₄ (b) H₂O₂ (c) KOH (d) KMnO₄…

7 years ago

The oxidation number of As in H₂AsO₄⁻ is Options (a) 6 (b) 5 (c) -7 (d) 9 Correct Answer: 5Explanation:No…

7 years ago

Which is the redox reaction Options (a) BaCl₂ + H₂SO₄ → BaSO₄ + 2HCl (b) H₂SO₄ + 2NaOH → Na₂SO₄…

7 years ago

Which of the following acts as an oxidising as well as reducing agent Options (a) Na₂O (b) Na₂O₂ (c) NaNO₃…

7 years ago

What is the oxidation state of P in Ba(H₂PO₂)₂ Options (a) 1 (b) 2 (c) 3 (d) -1 Correct Answer:…

7 years ago

Which conversion is an oxidation Options (a) SO₄²⁻ → SO₃ (b) Cu²⁺ → Cu (c) H⁺ → H (d) H⁻…

7 years ago