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JEE Main Chemistry question

ChemistryRedox ReactionsJEE Main

In , the oxidation number of the Br atom which is bonded to two other bromine atoms is .

Answer: 4

Solution

is structurally a central unit flanked by two terminal units, each terminal Br joined to the central Br by a single Br–Br bond (Br–Br bonds themselves contribute 0 to oxidation number). Balancing each fragment

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Question ID VK-137156