Which group 16 element has the highest tendency for catenation?(a) Oxygen(b) Sulphur(c) Selenium(d) PoloniumI got this question during an interview.My enquiry is from P-Block topic in chapter P-Block Elements of Chemistry – Class 12

Which group 16 element has the highest tendency for catenation?(a) Oxy

1.	Which group 16 element has the highest tendency for catenation?(a) Oxygen(b) Sulphur(c) Selenium(d) PoloniumI got this question during an interview.My enquiry is from P-Block topic in chapter P-Block Elements of Chemistry – Class 12
Answer» The correct choice is (b) SULPHUR To explain I would say: Sulphur has a stronger tendency for CATENATION than Oxygen. Due to small size, the lone pairs on the Oxygen atoms repel the bond pair of the O-O bond to a greater EXTENT than the lone pairs of ELECTRONS on the Sulphur atoms in S-S bond. As a result, S-S bond is MUCH stronger than O-O bond and hence Sulphur has a much stronger tendency for catenation than Oxygen.

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