Hydrogen cannot be obtained by
Hydrogen cannot be obtained by Options (a) Mg + H₂SO₄ (b) Mg + H₂O (c) Zn + dil. H₂SO₄ (d)…
8 years ago
Questions
Pure nascent hydrogen is based obtained by
Pure nascent hydrogen is based obtained by Options (a) Na and C₂H₅OH (b) Al and NaOH (c) Zn and dil.H₂SO₄…
8 years ago
when a manganous salt is fused with a mixture of KNO₃ and solid NaOH
when a manganous salt is fused with a mixture of KNO₃ and solid NaOH the oxidation number of Mn changes…
8 years ago
oxidation state of oxygen in F₂O is
oxidation state of oxygen in F₂O is Options (a) 2 (b) -2 (c) 1 (d) -1 Correct Answer: 2Explanation:No explanation…
8 years ago
H₂S is not a
H₂S is not a Options (a) reducing agent (b) acidic (c) oxidising agent (d) none of these Correct Answer: oxidising…
8 years ago
Numbers of moles of K₂Cr₂O₇ reduced by one mole os Sn²⁺
Numbers of moles of K₂Cr₂O₇ reduced by one mole os Sn²⁺ Options (a) ⁺1/3 (b) 3 (c) ⁺1/6 (d) 6…
8 years ago
M⁺³ ion loses 3e⁻. Its oxidation number will be
M⁺³ ion loses 3e⁻. Its oxidation number will be Options (a) 0 (b) 3 (c) 6 (d) -3 Correct Answer:…
8 years ago
The equilibrium weight of MnSO₄ is M/2 when it changes into
The equilibrium weight of MnSO₄ is M/2 when it changes into Options (a) KMnO₄ (b) K₂MnO₄ (c) MnO₂ (d) MnO…
8 years ago
Which of the following acts as both reducing and oxidising agent
Which of the following acts as both reducing and oxidising agent Options (a) H₂SO₄ (b) H₂O₂ (c) KOH (d) KMnO₄…
8 years ago
The oxidation number of As in H₂AsO₄⁻ is
The oxidation number of As in H₂AsO₄⁻ is Options (a) 6 (b) 5 (c) -7 (d) 9 Correct Answer: 5Explanation:No…
8 years ago