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P and Q are isomers of dicarboxylic acid C4 H4 O4 .Both decolorize Br2 / H2 O. On heating, P forms the cyclic anhydride.
Upon treatment with dilute alkaline KMnO4 , P as well as Q could produce one or more than one from S,T and U.
Paragraph for Questions 31 and 32
P and Q are isomers of dicarboxylic acid C
Upon treatment with dilute alkaline KMnO
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