Chemistry

Oxidation state of oxygen atom in potassium peroxide is

Oxidation state of oxygen atom in potassium peroxide is Options (a) 0 (b) -1/2 (c) -1 (d) -2 Correct Answer:…

Oxidation number of Fe in Fe₃O₄ is

Oxidation number of Fe in Fe₃O₄ is Options (a) 0 (b) ⁺2/5 (c) -1/2 (d) ⁺8/3 Correct Answer: ⁺8/3Explanation:No explanation…

The oxyacid of phosphorus, in which phosphorus has the lowest oxidation state, is

The oxyacid of phosphorus, in which phosphorus has the lowest oxidation state, is Options (a) metaphosphoric acid (b) pyrophosphoric acid…

The oxidation number of nitrogen in (N₂H₅)⁺ is

The oxidation number of nitrogen in (N₂H₅)⁺ is Options (a) -2 (b) 2 (c) 3 (d) -3 Correct Answer: -2Explanation:No…

If KMnO₄ is reduced by oxalic caid, in an acidic medium, then oxidation number of Mn changes from

If KMnO₄ is reduced by oxalic caid, in an acidic medium, then oxidation number of Mn changes from Options (a)…

The oxidation state of S in H₂SO₄ is

The oxidation state of S in H₂SO₄ is Options (a) 2 (b) 4 (c) 6 (d) 7 Correct Answer: 6Explanation:No…

The oxidation states of S atoms in S₄O₆²⁻ from left to right respectively

The oxidation states of S atoms in S₄O₆²⁻ from left to right respectively Options (a) 6,0,0,6 (b) 3,1,1,3 (c) 5,0,0,5…

Oxidation state of Fe in Mohr’s salt is

Oxidation state of Fe in Mohr's salt is Options (a) 1 (b) 2 (c) 3 (d) 4 Correct Answer: 2Explanation:No…

An example of redox reaction

An example of redox reaction Options (a) AgNO₃ + NaCl → AgCl + NaNO₃ (b) CuSO₄ + 4NH₃ → Cu(NH₃)₄…

The number of electrons involved in the reduction of one nitrate ion

The number of electrons involved in the reduction of one nitrate ion to hydrazine is Options (a) 8 (b) 5…