JEE Main 2016 Chemistry question

The non-metal that does not exhibit positive oxidation state is:

(1)Chlorine
(2)Iodine
(3)FluorineCorrect
(4)Oxygen

Answer: (3)

Solution

Fluorine is the most electronegative element of all, so in every compound it is the more electronegative partner and is assigned the negative share of the bonding electrons. It therefore shows only the oxidation state (and 0 in ), never a positive one — option (3). It also lacks

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Question ID VK-115544