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JEE CHEMISTRY MCQ: AMINES
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Analyzing
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Under which of the following reaction conditions, aniline gives -nitroderivative as the major product?
I. Acetyl chloride/pyridine followed by reaction with conc. conc. .
II. Acetic anhydride/pyridine followed by conc. conc. .
III. Dil. followed by reaction with conc. conc. .
IV. Reaction with conc. conc. .
I. Acetyl chloride/pyridine followed by reaction with conc. conc. .
II. Acetic anhydride/pyridine followed by conc. conc. .
III. Dil. followed by reaction with conc. conc. .
IV. Reaction with conc. conc. .
View answer and explanation
Correct option: A
I and II
Option A (I and II) is correct because acetylation protects the amino group of aniline, directing the nitration to the para position.
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The primary, secondary and tertiary amines can be distinguished by: Assertion: The main product of reaction of alcoholic silver nitrite and ethyl bromide is nitroethane.
Reason: Silver nitrite is predominantly covalent compound. Hofmann’s bromamide reaction is to convert Gabriel phthalamide synthesis is used for preparation of :- Elements found in explosive are:
The primary, secondary and tertiary amines can be distinguished by: Assertion: The main product of reaction of alcoholic silver nitrite and ethyl bromide is nitroethane.
Reason: Silver nitrite is predominantly covalent compound. Hofmann’s bromamide reaction is to convert Gabriel phthalamide synthesis is used for preparation of :- Elements found in explosive are: