Chemistry Class-11: Chapter –8. Redox Reactions Part – 2

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Question: 9

The largest oxidation number exhibited by an element depends on its outer electronic configuration. With which of the following outer electronic configurations the element will exhibit largest oxidation number?

(i)

(ii)

(iii)

(iv)

Answer: (iv)

Question: 10

Identify disproportionate reaction

(i)

(ii)

(iii)

(iv)

Answer: (iv)

Question: 11

Which of the following elements does not show disproportionate tendency?

(i)

(ii)

(iii)

(iv)

Answer: (iii)

II. Multiple Choice Questions (Type-II)

In the following questions two or more options may be correct.

Question: 12

12. Which of the following statement(s) is/are not true about the following decomposition reaction.

(i) Potassium is undergoing oxidation

(ii) Chlorine is undergoing oxidation

(iii) Oxygen is reduced

(iv) None of the species are undergoing oxidation or reduction

Answer: (i), (iv)

Question: 13

Identify the correct statement (s) in relation to the following reaction:

(i) Zinc is acting as an oxidant

(ii) Chlorine is acting as a reductant

(iii) Hydrogen ion is acting as an oxidant

(iv) is acting as a reductant

Answer: (iii), (iv)

Question: 14

The exhibition of various oxidation states by an element is also related to the outer orbital electronic configuration of its atom. Atom(s) having which of the following outermost electronic configurations will exhibit more than one oxidation state in its compounds.

(i)

(ii)

(iii)

(iv)

Answer: (iii), (iv)

Question: 15

Identify the correct statements with reference to the given reaction

(i) Phosphorus is undergoing reduction only.

(ii) Phosphorus is undergoing oxidation only.

(iii) Phosphorus is undergoing oxidation as well as reduction.

(iv) Hydrogen is undergoing neither oxidation nor reduction.

Answer: (iii), (iv)

Question: 16

Which of the following electrodes will act as anodes, when connected to Standard Hydrogen Electrode?

(i)

(ii)

(iii)

(iv)

Answer: (i), (ii)

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