Compound (A), `C_(10)H_(12)O` gives off hydrogen on treatment with sodium metal and decolourises `Br_(2)` in `C Cl_(4)` to give (B), `C_(10)H_(12)OBr`

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Answer :

Compound (A), `C_(10)H_(12)O` gives off hydrogen on treatment with sodium metal and ... pairs of diasteereomers D. A has 2 chiral centres

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