Chemistry

Which of the following statement regarding hydrogen peroxide is false

Which of the following statement regarding hydrogen peroxide is false Options (a) It is strong oxidizing agent (b) It is…

Last molecule of H₂O is evolved from H₂O₂ by

Last molecule of H₂O is evolved from H₂O₂ by Options (a) electrolysis (b) crystallisation (c) condensation (d) evaporation Correct Answer:…

Hydrogen cannot be obtained by

Hydrogen cannot be obtained by Options (a) Mg + H₂SO₄ (b) Mg + H₂O (c) Zn + dil. H₂SO₄ (d)…

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…

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…

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…

H₂S is not a

H₂S is not a Options (a) reducing agent (b) acidic (c) oxidising agent (d) none of these Correct Answer: oxidising…

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…

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:…

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…