JEE Advanced Chemistry question

In case of oxygen family (Group 16)

(A)The tendency for catenation decreases markedly as we go down the group
(B)Maximum coordination of oxygen is four due to lack of d-orbital but that of other elements is six due to presence of d-orbital
(C)The tendency to form multiple bonds with C, N and O decreases as going down the group from S to Te
(D)All of the above are correct statementsCorrect

Answer: (D)

Solution

All three statements correctly describe established periodic trends in Group 16: catenation (chain-forming ability) is strongest for oxygen and sulphur and falls off sharply for Se, Te, Po (a); oxygen, lacking accessible d-orbitals, can form a maximum of 4 bonds (e.g. H3O⁺, coordination compounds),

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Question ID VK-159333