Which of the following is a pair of dihydric | vedclass

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Question

(D) Dihydric phenols are compounds containing two hydroxyl $(-OH)$ groups attached to a benzene ring.$1$. Catechol has two $-OH$ groups at the $1,2$-p

Vedclass · Accepted Answer

Catechol and Quinol

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(D) Dihydric phenols are compounds containing two hydroxyl $(-OH)$ groups attached to a benzene ring.$1$. Catechol has two $-OH$ groups at the $1,2$-positions.$2$. Resorcinol has two $-OH$ groups at the $1,3$-positions.$3$. Quinol (or hydroquinone) has two $-OH$ groups at the $1,4$-positions.$4$. Phloroglucinol has three $-OH$ groups at the $1,3,5$-positions (trihydric phenol).$5$. Pyrogallol has three $-OH$ groups at the $1,2,3$-positions (trihydric phenol).Therefore,the pair of dihydric phenols is Catechol and Quinol.

Which of the following is a pair of dihydric phenols?

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