मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Assertion: Aromatic 1° amines can be prepared by Gabriel Phthalimide Synthesis. Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide. - Chemistry

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प्रश्न

Assertion: Aromatic 1° amines can be prepared by Gabriel Phthalimide Synthesis.

Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.

पर्याय

  • Both assertion and reason are wrong.

  • Both assertion and reason are correct statements but reason is not correct explanation of assertion.

  • Assertion is correct statement but reason is wrong statement.

  • Both assertion and reason are correct statements and reason is correct explanation of assertion.

  • Assertion is wrong statement but reason is correct statement.

MCQ
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उत्तर

Both assertion and reason are wrong.

Explanation:

Aromatic amines are never obtained by Gabriel phthalimide synthesis.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 13: Amines - Multiple Choice Questions (Type - I) [पृष्ठ १९२]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
पाठ 13 Amines
Multiple Choice Questions (Type - I) | Q 73 | पृष्ठ १९२

संबंधित प्रश्‍न

How do you convert the following: Ethanenitrile to ethanamine


Write the reaction of aliphatic primary amine with nitrous acid.


Explain the mechanism of action of hydroiodic acid on 3-methylbutan-2-ol.


Account for the following:
Gabriel phthalimide synthesis is not preferred for preparing aromatic primary amines.


Answer the following

Explain the ammonolysis of alkyl halides.


Write reactions to bring about the following conversions.

Acetamide to methylamine


Which of the following reagents is used in Hofmann's elimination reaction of amines?


The best reagent for converting, 2-phenylpropanamide into 1- phenylethanamine is ______.


Among the following amines, the strongest Brönsted base is:


Identify A and B in the following reaction.


How will you bring out the following conversion?


How will you carry out the following conversion?


How will you carry out the following conversion?


Match the reactions given in Column I with the statements given in Column II.

  Column I   Column II
(i) Ammonolysis (a) Amine with lesser number of carbon atoms
(ii) Gabriel phthalimide synthesis (b) Detection test for primary amines.
(iii) Hoffmann Bromamide reaction (c) Reaction of phthalimide with \[\ce{KOH}\] and \[\ce{R-X}\]
(iv) Carbylamine reaction (d) Reaction of alkylhalides with \[\ce{NH3}\]

Reduction of nitro alkanes yields which compound?


A compound 'A' on reduction with iron scrap and hydrochloric acid gives compound 'B' with molecular formula C6H7N. Compound 'B' on reaction with CHCl3 and alcoholic KOH produces an obnoxious smell of carbylamine due to the formation of 'C'. Identify 'A', 'B' and 'C' and write the chemical reactions involved.


Identify the product ‘C’ in the following reaction.

\[\ce{Aniline ->[(CH3CH)2O][Pyridine] A ->[Br2][CH3COOH] B ->[H^+ or OH^-] C}\]


Write a short note on the following:

Ammonolysis


Write a short note on Ammonolysis.


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