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JEE Advance - Chemistry (2013 - Paper 2 Offline - No. 13)

P and Q are isomers of dicarboxylic acid C4H4O4. Both decolorise Br2/H2O. 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.

P and Q are isomers of dicarboxylic acid C4H4O4. Both decolorise Br2/H2O. 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.

P and Q are isomers of dicarboxylic acid C4H4O4. Both decolorise Br2/H2O. 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.

Compounds formed from P and Q are, respectively,
Optically active S and optically active pair (T, U).
Optically inactive S and optically inactive pair (T, U).
Optically active pair (T, U) and optically active S.
Optically inactive pair (T, U) and optically inactive S.

Explanation

The reactions involved are

JEE Advanced 2013 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 36 English Explanation

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