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GS
GS Set-1
Chemistry
Physical Chemistry
47

Physical Chemistry MCQ with Answers

47) In the presence of humidity, SO₂:

Loses proton

Accepts electron

Is an oxidant

Is a reductant

Answer is:

Is a reductant

Explanation:

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

Physical Chemistry MCQ with Answers

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Related Physical Chemistry MCQ with Answers

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

7⁄3

7

3 and 5

None of these

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?

1⁄3

1

1.5

2⁄3

Answer is:

1

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

1⁄3 mol

1 mol

2⁄3 mol

5⁄3 mol

Answer is:

1⁄3 mol

51) One mole KMnO₄ oxidises how many moles of ferrous oxalate?

1⁄5

5⁄3

1⁄3

2⁄3

Answer is:

1⁄5

Physical Chemistry MCQ with Answers

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