Given below are two statements: Statement (I) : Oxygen being the first member of group 16 exhibits only –2 oxidation state. Statement (II) : Down the group 16 stability of +4 oxidation state decreases

Question

Given below are two statements: Statement (I) : Oxygen being the first member of group 16 exhibits only –2 oxidation state. Statement (II) : Down the group 16 stability of +4 oxidation state decreases and +6 oxidation state increases. In the light of the above statements, choose the most appropriate answer from the options given below:

(A) Statement I is correct but Statement II is incorrect
(B) Both Statement I and Statement II are correct
(C) Both Statement I and Statement II are incorrect
(D) Statement I is incorrect but Statement II is correct

Prashant Kotian · Accepted Answer

Correct answer: C. Statement-I: Oxygen can have oxidation state from –2 to +2, so statement I is incorrect Statement- II: On moving down the group stability of +4 oxidation state increases whereas stability of +6 oxidation state decreases down the group, according to inert pair effect. So both statements are wrong.

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