What is the oxidation state of iodine in I_2Cl_6 ?

MHT CET 2024 Chemistry question

What is the oxidation state of iodine in ?

(1)+7
(2)-3
(3)+3Correct
(4)-2

Answer: (3)

Solution

is the dimer of iodine trichloride (), with two bridging Cl atoms. Chlorine is more electronegative than iodine, so each Cl has an oxidation number of . Let the oxidation number of I be :

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Question ID VK-095649