Question

Which of the following exhibits tautomerism?
A. 4-nitrosophenol
B. 2-nitrosophenol
C. Ortho Benzoquonine monoxime
D. Para Benzoquonine dioxime
E. None

Answer 1

Answer:

E) none

Explanation:

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Answer 2

None of the options exhibits tautomerism.

Explanation:

4-nitrosophenol:

• 4-Nitrophenol is also called p-nitrophenol or 4-hydroxynitrobenzene.
• It is a phenolic compound that has a nitro group at the opposite position of the hydroxyl group on the benzene ring.

2-nitrosophenol:

• 2-nitrophenol is a member of the class.
• 2-nitrophenols is a phenol in which one of the hydrogens is ortho to the hydroxy group.
• When replaced by a nitro group, it is the conjugate acid of a 2-nitrophenolate.

Ortho Benzoquinone Monoxide:

• 4-Benzoquinone monoxide is a reagent used to prepare poly-substituted benzenes.
• It should be stored at $4^{o} C.126-131^{0} C$.

Para Benzoquinone dioxide:

• Para Benzoquinone dioxide is a sex-specific rat carcinogen inducing tumors of the urinary bladder in female rats and is a direct-acting mutagen in Salmonella typhimurium.