JEE Advanced 2013 Paper 2 Chemistry Q15

Chemistry · Stereochemistry · Alkenes & Alkynes · Carboxylic Acids & Derivatives

Problem

Paragraph for Questions 15 and 16

P

and

Q

are isomers of dicarboxylic acid

\ce{C4H4O4}

. Both decolorize

\ce{Br2/H2O}

. On heating,

P

forms the cyclic anhydride. Upon treatment with dilute alkaline

\ce{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