Question

In acidic medium, KMnO4 oxidises, naphthalene to form..while in alkaline medium it forms...
(A) Phthalonic acid, Phthalic acid

(B) Tetraline, Decaline

(C) Phthalic acid, Phthalonic acid

(D) None of these​

Answer 1

Answer:

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option c.)Phthalic acid, Phthalonic acid

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Answer 2

Answer:

In an acidic medium, KMnO4 oxidises, naphthalene to form Phthalic acid, while in an alkaline medium it forms Phthalonic acid.

Explanation:

KMnO₄ is a strong oxidising agent and oxidises the double bond. It oxidises the two double bonds in naphthalene in an acidic medium to form two carboxylic acid groups. Thus, in an acidic medium, KMnO4 oxidises, naphthalene forms Phthalic acid.

Whereas in the alkaline medium, it forms KMnO4 oxidises naphthalene to form phthalonic acid.