Q.

Statement (A): In all compounds, the oxidation number of oxygen is −2 . 

Statement (B): Carbon exhibits +4 and −4 oxidation numbers only. 

Statement (C): In all compounds, the oxidation number of fluorine is −1

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a

All the statements are correct

b

All the statements are incorrect

c

A, B are correct and C is incorrect

d

A, B are incorrect but C is correcrt

answer is D.

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Detailed Solution

Statement I, II are incorrect because oxygen generally exhibits an oxidation state of 2  only while the other members of the oxidation states of group show oxidation state of +2 , +4  and +6  because it is highly electro-negative.

Carbon exhibits oxidation states from 4to+4  and O inorganic compounds.

Fluorine exhibits only 1  oxidation state in all compounds where as other halogens exhibit positive oxidation state.

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