The oxidation number of sulphur is -1 in
The oxidation number of sulphur is -1 in
Options
(a) FeS (b) FeS₂ (c) 2NaO – S = O₂ (d) 2NaO – S₂ = O₂
Correct Answer:
FeS₂
Explanation:
No explanation available. Be […]
Questions
In which of the following compounds manganese has oxidation number equal
In which of the following compounds manganese has oxidation number equal to that of iodine in KIO₄
Options
(a) Potassium manganate (b) potassium permanganate (c) Manganous chloride (d) Manganese chloride
Correct Answer:
potassium […]
A 2.5 mol sample of N₂H₄ loses 25 mol of electrons in being converted
A 2.5 mol sample of N₂H₄ loses 25 mol of electrons in being converted to a new compound X, Assuming that all of the nitrogen appears in the new compound, what is the oxidation state […]
In acidic medium, the equivalent weight of KMnO₄ is
In acidic medium, the equivalent weight of KMnO₄ is
Options
(a) M/6 (b) M/5 (c) M/4 (d) M/3
Correct Answer:
M/5
Explanation:
No explanation available. Be the first to write the explanation for […]
In the following change,KMnO₄ → MnO₂, the oxidation state of Mn changes as
In the following change,KMnO₄ → MnO₂, the oxidation state of Mn changes as
Options
(a) 7 → 4 (b) 5 → 2 (c) 7 → 5 (d) 3 → 7
Correct Answer:
7 […]
If HNO₃ changes into N₂O, the oxidation number is changed by
If HNO₃ changes into N₂O, the oxidation number is changed by
Options
(a) 0 (b) 6 (c) 2 (d) 4
Correct Answer:
4
Explanation:
No explanation available. Be the first to write the […]
Equivalent weight of KMnO₄ in basic medium is (mol.wt. of KMnO₄ = 158)
Equivalent weight of KMnO₄ in basic medium is (mol.wt. of KMnO₄ = 158)
Options
(a) 31.5 (b) 52.67 (c) 79 (d) 158
Correct Answer:
52.67
Explanation:
MnO₄⁻ + 2H₂O + 3e⁻ → MnO₂ […]
The oxidation state of halogen atom is ‘+3’ in
The oxidation state of halogen atom is ‘+3’ in
Options
(a) ClO₂ (b) Cl₂O₃ (c) Cl₂O₆ (d) I₂O₅
Correct Answer:
Cl₂O₃
Explanation:
No explanation available. Be the first to write the explanation for […]
The reaction : Ag²⁺(aq) + Ag(s) ⇌ 2Ag⁺(aq) is an example of
The reaction : Ag²⁺(aq) + Ag(s) ⇌ 2Ag⁺(aq) is an example of
Options
(a) reduction (b) oxidation (c) disproportionation (d) none of these
Correct Answer:
disproportionation
Explanation:
No explanation available. Be the first […]
Which of the following can act as an oxidising as well as reducing agent
Which of the following can act as an oxidising as well as reducing agent
Options
(a) Chlorine (b) Air (c) Ozone (d) SO₂
Correct Answer:
SO₂
Explanation:
No explanation available. Be the first […]