Q.

Oxidation number and Covalency of sulphur in S8 molecule are respectively         

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a

6 and 8

b

0 and 8

c

0 and 2

d

6 and 2

answer is C.

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Detailed Solution

  • The oxidation state of any homo-atomic molecule is 0.
  • Therefore S8 oxidation state is 0.
  • S8 exists in crown like structure in which each sulphur atom is attached to 2 other sulphur atoms. Therefore the covalency of S8 is 2. 
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Oxidation number and Covalency of sulphur in S8 molecule are respectively