Q.

Reduction is defined in terms of

(I) electronation or hydrogenation

(II) de-electronation or gain of oxygen

(III) increase in oxidation number

(IV) decrease in oxidation number 

Select the correct terms.

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a

I and II

b

I and III

c

I and IV

d

II and III

answer is C.

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Detailed Solution

Gain of hydrogen or electrons or decrease in oxidation number is reduction.

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Reduction is defined in terms of(I) electronation or hydrogenation(II) de-electronation or gain of oxygen(III) increase in oxidation number(IV) decrease in oxidation number Select the correct terms.