Physical Chemistry MCQ with Answers

Physical Chemistry MCQ with Answers

46) Oxidation product of Na₃AsO₃ is:

Answer is:

AsO₄³⁻

47) In the presence of humidity, SO₂:

Answer is:

Is a reductant

Explanation:

It changes from +4 to +6. Due to this, it is a reductant.

48) What will be the oxidation state of copper in YBa₂Cu₃O₇, if oxidation state of Y is +3?

Answer is:

7⁄3

Explanation:

3 + 4 + 3x − 14 = 0

49) How many moles of nitrogen are produced by the oxidation of one mole of hydrazine by 2⁄3 mol bromate ion?

Answer is:

1

50) How many moles of K₂Cr₂O₇ are reduced by 1 mole of formic acid?

Answer is:

1⁄3 mol

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