Which of the following is redox reaction
Which of the following is redox reaction
Options
(a) 2CuSO₄ + 4KI → Cu₂I₂ + 2K₂SO₄ + I₂ (b) SO₂ + H₂O → H₂SO₃ (c) Na₂SO₄ + BaCl₂ → [Cu(NH₃)₄]SO₄ (d) CuSO₄ + […]
Chemistry
What is the equivalent mass of IO₄⁻ when it is converted into I₂ in acid medium
What is the equivalent mass of IO₄⁻ when it is converted into I₂ in acid medium
Options
(a) M/6 (b) M/7 (c) M/5 (d) M/4
Correct Answer:
M/7
Explanation:
No explanation available. Be […]
In the conversion of Br₂ to BrO₃⁻, the oxidation number of Br changes from
In the conversion of Br₂ to BrO₃⁻, the oxidation number of Br changes from
Options
(a) zero to 5 (b) 1 to 5 (c) zero to -3 (d) 2 to 5
Correct Answer: […]
H₂O₂ reduces MnO₄⁻ ion to
H₂O₂ reduces MnO₄⁻ ion to
Options
(a) Mn³⁺ (b) Mn²⁺ (c) Mn⁻ (d) Mn⁺
Correct Answer:
Mn²⁺
Explanation:
2MnO₄⁻ + 5H₂O₂ + 6H⁺ → 2Mn²⁺ + 8H₂O + 5O₂. Thus in this reaction, H₂O₂ […]
In which of the following compounds, carbon exhibits a valency of 4
In which of the following compounds, carbon exhibits a valency of 4 but oxidation state -2
Options
(a) CH₃Cl (b) CHCl₃ (c) CH₂Cl₂ (d) HCHO
Correct Answer:
CH₃Cl
Explanation:
No explanation available. Be […]
During a redox titration involving a solution containing Fe²⁺ ions against MnO₄⁻
During a redox titration involving a solution containing Fe²⁺ ions against MnO₄⁻ in the presence of excess of H⁺ ions, the number of electrons that get transferred is
Options
(a) 6 (b) 5 […]
The oxidation number of xenon in XeOF₂ is
The oxidation number of xenon in XeOF₂ is
Options
(a) zero (b) 2 (c) 4 (d) 3
Correct Answer:
4
Explanation:
No explanation available. Be the first to write the explanation for this […]
The strongest reducing agent among the following is
The strongest reducing agent among the following is
Options
(a) F⁻ (b) Cl⁻ (c) Br⁻ (d) I⁻
Correct Answer:
I⁻
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which of the following is the strongest oxidising agent
Which of the following is the strongest oxidising agent
Options
(a) HOCl (b) HClO₂ (c) HClO₃ (d) HClO₄
Correct Answer:
HClO₄
Explanation:
No explanation available. Be the first to write the explanation for […]
Volume of 0.1 M K₂Cr₂O₇ required to oxidize 35 mL of 0.5 M FeSO₄ solution is
Volume of 0.1 M K₂Cr₂O₇ required to oxidize 35 mL of 0.5 M FeSO₄ solution is
Options
(a) 29.2 mL (b) 17.5 mL (c) 175 mL (d) 145 mL
Correct Answer:
29.2 mL