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B
SeBr4<PoBr4<TeBr4
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C
PoBr4<TeBr4<SeBr4
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D
None of the these
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Solution
The correct option is ASeBr4<TeBr4<PoBr4 Stability of higher oxidation state increase as we go down the group - Tetrabromides of sulphur and selenium. i.e,SBr4,SeBr4 are unstable where as TeBr4,PoBr4 are quite stable.