Engineering
Chemistry
Types of Redox Reaction
Equivalent Mass and n factor
Question

Oxidation number of bromine in sequence in Br3Ois:

+8, +6, +8
+6, +4, +6
0, 0, 0
+8, +4, +8
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Solution
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Br3O8 is a tribromooctaoxide.  The  two Br at the terminal, have 3 oxygen atom attached, hence it's oxidation number is +6. The Br atom in the center have 2 oxygen atoms attached ,so it's oxidation state is +4. Hence, +6, 4+ 6 is the sequence.

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