Hydrogen and Redox Reactions Archives - Page 11 of 18

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…

7 years ago

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

7 years ago

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

7 years ago

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

7 years ago

Which of the following is redox reaction Options (a) 2CuSO₄ + 4KI → Cu₂I₂ + 2K₂SO₄ + I₂ (b) SO₂…

7 years ago

What is the equivalent mass of IO₄⁻ when it is converted into I₂ in acid medium Options (a) M/6 (b)…

7 years ago

In the conversion of Br₂ to BrO₃⁻, the oxidation number of Br changes from Options (a) zero to 5 (b)…

7 years ago

H₂O₂ reduces MnO₄⁻ ion to Options (a) Mn³⁺ (b) Mn²⁺ (c) Mn⁻ (d) Mn⁺ Correct Answer: Mn²⁺ Explanation: 2MnO₄⁻ +…

7 years ago

In which of the following compounds, carbon exhibits a valency of 4 but oxidation state -2 Options (a) CH₃Cl (b)…

7 years ago

During a redox titration involving a solution containing Fe²⁺ ions against MnO₄⁻ in the presence of excess of H⁺ ions,…

7 years ago