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Question

The oxidation states of S atoms in S4O62-from left to right respectively, are


A

+6,0,0,+6

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B

+3,1,+1,+3

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C

+5,0,0,+5

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D

None of the above

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Solution

The correct option is C

+5,0,0,+5


Explanation for correct option

(C)+5,0,0,+5

Oxidation number

  • "Oxidation number denotes the oxidation state of an element in a compound ascertained according to a set of rules formulated on the basis that electron pair in a covalent bond belongs entirely to a more electronegative element."

Structure of S4O62-

  • Two sulfur(2 and 3) that is linked to each other has oxidation numbers of zero.
  • The oxidation number of the other two sulfur atoms (1 and 4)can be calculated as follows:-
  • 2x+2×0+6×-2=-22x-12=-22x=10x=+5
  • So, the oxidation states of S atoms in S4O62-from left to right respectively, are +5,0,0,+5.

Explanation for incorrect option

The oxidation states of S atoms in S4O62-from left to right respectively, are +5,0,0,+5. Hence, options (A), (B), (D) are incorrect.

Hence, option (C) is correct. The oxidation states of S atoms in S4O62-from left to right respectively, are +5,0,0,+5.


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