Carboxylic Acids and their Derivatives - Result Question 35

####22. The reactions, Q to R and R to S, are

(a) Aromatic sulfonation and Friedel-Crafts acylation

(b) Friedel-Crafts alkylation and Friedel-Crafts acylation

(c) Friedel-Crafts alkylation, dehydration and Friedel-Crafts acylation

(d) Dehydration and Friedel-Crafts acylation

Passage 2

P and Q are isomers of dicarboxylic acid C4H4O4. Both decolourize Br2/H2O. On heating, P forms the cyclic anhydride.

Upon treatment with dilute alkaline KMnO4P as well as Q could produce one or more than one form S,T and U.

(2013 Adv.)

Show Answer

Solution:

  1. (a)


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