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

Assertion: N, N-Diethylbenzene sulphonamide is insoluble in alkali. Reason: Sulphonyl group attached to nitrogen atom is strong electron-withdrawing group.

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प्रश्न

Assertion: N, N-Diethylbenzene sulphonamide is insoluble in alkali.

Reason: Sulphonyl group attached to nitrogen atom is strong electron-withdrawing group.

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 correct statements but reason is not correct explanation of assertion.

Explanation:

N, N-diethyl benzene sulphonamide is insoluble in alkali because it has no acidic hydrogen. Sulphonyl group attached to nitrogen atom is electron-withdrawing group.

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पाठ 13: Amines - Multiple Choice Questions (Type - I) [पृष्ठ १९२]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 13 Amines
Multiple Choice Questions (Type - I) | Q 71 | पृष्ठ १९२

संबंधित प्रश्‍न

What is the action of acetic anhydride on ethylamine?


Write the structures of main products when aniline reacts with the following reagents :

Br2 water


Write the structures of main products when aniline reacts with the following reagents :

(CH3CO)2O/pyridine


Write the chemical equations involved when aniline is treated with the following reagents:

Br2 water


Account for the following:

Although the amino group is o, p-directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of m-nitroaniline.


Write short notes on acetylation.


What is the action of acetic anhydride on diethylamine?


What is the action of the following reagents on aniline?

Acetic anhydride

 


Illustrate the following reactions giving suitable example in each case 

Acetylation of amines


In the nitration of benzene using a mixture of conc. \[\ce{H2SO4}\] and conc. \[\ce{HNO3}\], the species which initiates the reaction is ______.


When bromination of aniline is carried out by protecting – NH2. The major product is


Give reasons for the following observation:

Aniline does not react with methyl chloride in the presence of anhydrous AlCl3 catalyst.


How can the activating effect of the −NH2 group in aniline be controlled?


Assertion (A): Bromination of benzoic acid, gives m-bromobenzoic acid.

Reason (R): Carboxyl group increases the electron density at the meta position.


Aniline does not give Friedel-Crafts reaction. Give a reason.


Given below are two statements:

Statement I: Aniline does not undergo a Friedel-Crafts alkylation reaction.

Statement II: Aniline cannot be prepared through Gabriel synthesis.

In the light of the above statements, choose the correct answer from the options given below:


Identify the major product C formed in the following reaction sequence:

\[\ce{CH3 - CH2 - CH2 - I ->[NaCN] A ->[OH-][Partial hydrolysis] B ->[NaOH][Br2] \underset{(major)}{C}}\]


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