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Match the following columns...

Match the following columns

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A-QRS;B-PS;C-R;D-QS
Racemisation on treatrnent with aqueous `H^(o+)//overset(Ө)OH` Michael addition with `CH_3 (CPPEt)_2 ,Et overset(Ө)O` Condensation with `Ph - underset(O ) underset(।। )C-H , overset(Ө)OH`
No geomentricl isomerisms, Condensation reaction with ` Ph -CHO //OH^(-)` (aldol )
`(C ) CH_@ =CH - overset(O ) overset(||)C -H ` Micheal addition with `CH_2 (COOEt)_2 EtO^(-) ( alpha , beta` unsaturated aldehyde)
(D )
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