H₂S acts only as a reducing agent while SO₂, can act both as a reducing
H₂S acts only as a reducing agent while SO₂, can act both as a reducing and oxidizing agent because
Options
(a) S in H₂S has -2 oxidation state (b) S in SO₂ has […]
Hydrogen and Redox Reactions
K₃Fe(CN)₆ + e⁻ → K₄Fe(CN)₆ is known as
K₃Fe(CN)₆ + e⁻ → K₄Fe(CN)₆ is known as
Options
(a) ionization (b) oxidation (c) reduction (d) none of these
Correct Answer:
reduction
Explanation:
No explanation available. Be the first to write the explanation […]
Oxidation number of iron in [Fe(CN)₆]⁴⁻ is
Oxidation number of iron in [Fe(CN)₆]⁴⁻ is
Options
(a) 2 (b) 3 (c) -3 (d) -4
Correct Answer:
2
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Oxidation numbers of carbon in CH₂Cl₂,CO₂ and CO₃²⁻ are respectively
Oxidation numbers of carbon in CH₂Cl₂,CO₂ and CO₃²⁻ are respectively
Options
(a) 0,4,4 (b) 2,2,-2 (c) 4,4,4 (d) -4,4,2
Correct Answer:
0,4,4
Explanation:
No explanation available. Be the first to write the explanation […]
The oxidation states of Mn in MnSO₄,MnO₂,K₂MnO₄ and KMnO₄ are respectively
The oxidation states of Mn in MnSO₄,MnO₂,K₂MnO₄ and KMnO₄ are respectively
Options
(a) 1,2,4,4 (b) 2,4,6,7 (c) 1,2,4,6 (d) 2,4,7,6
Correct Answer:
2,4,6,7
Explanation:
No explanation available. Be the first to write the […]
A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated.
A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated.During the reaction which element undergoes maximum change in the oxidation number
Options
(a) S (b) H (c) Cl (d) C
Correct […]
When Cl₂ gas reacts with hot and concentration sodium hydroxide solution,
When Cl₂ gas reacts with hot and concentration sodium hydroxide solution,the oxidation number of chlorine changes from
Options
(a) zero to +1 and zero to -5 (b) zero to -1 and zero to […]
Oxidation numbers of P in PO₄³⁻, of S in SO₄²⁻ and that of Cr in Cr₂O₇²⁻
Oxidation numbers of P in PO₄³⁻, of S in SO₄²⁻ and that of Cr in Cr₂O₇²⁻ are respectively
Options
(a) 3,6 and 5 (b) 5,3 and 6 (c) -3, 6 and 6 (d) […]
Which of the following organic compounds has same hybridization as its
Which of the following organic compounds has same hybridization as its combustion product (CO₂)
Options
(a) Ethane (b) Ethyne (c) Ethene (d) Ethanol
Correct Answer:
Ethyne
Explanation:
The combustion reaction of ethylene is […]
What products are formed when the following compound is treated with Br₂
What products are formed when the following compound is treated with Br₂ in the presence of FeBr₃
Options
(a) (b) (c) (d)
Correct Answer: Explanation:
No explanation available. Be the first to […]