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Among the following amines, the stronges...

Among the following amines, the strongest Bronsted base is….

A

B

`NH_3`

C

D

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The correct Answer is:
D
Aniline is a weaker base than NH, due to delocalization of lone pair of electrons on the N atom into the benzene ring. Pyrrole (c) is not at all basic because the lone pair of electrons on the N-atom is donated towards aromatic sextet formation. Therefore, pyrrolidine (d) has a strong tendency to accept a proton and is hence it is the strongest Bronsted base.
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ICSE-ORGANIC COMPOUNDS CONTAINING NITROGEN-EXERCISE (PART-I OBJECTIVE QUESTIONS)
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  2. Which of the following compounds is the weakest Bronsted base?

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  3. Among the following amines, the strongest Bronsted base is….

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  4. The correct decreasing order of basic strength of the following specie...

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  5. Which of the following should be most volatile ?

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  6. Which of the following methods of preparation of amines will not give ...

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  7. Gabrial synthesis is used for the preparation of

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  8. Nitrosoamines are formed byunderline(" primary amines").

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  9. Pure primary amines underline("can be prepared ")by the action of ammo...

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  10. Amides on treatment with Br2 and KOH form the amines having the underl...

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  11. There are three underline ("position isomers ")of the amine having mol...

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  12. Trimethylamine is less basic than dimethylamine.

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  13. Ethanamine reacts with benzenesulfonyl chloride to form N-ethylbenzene...

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  14. The treatment of an alkyl halide with underline("silver cyanide ")form...

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  15. The hydrolysis of an underline ("alkyl cyanide ")always yields formic ...

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  16. Carbylamine reaction is given by underline ("secondary amines").

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  17. Alkyl cyanides areunderline(" as poisonous as KCN").

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  18. Alkyl cyanides have underline("lower ")boiling points than the isomeri...

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  19. Catalytic reduction of isocyanides givesunderline(" primary amines").

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  20. Reduction of nitrobenzene with H2 in presence of platinum gives under...

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