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Best method for preparing primary amines...

Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is

A

Hofman Bromamide reaction

B

Gabriel phthalimide synthesis

C

Sandmeyer reaction

D

Reaction with `NH_3`.

Text Solution

Verified by Experts

The correct Answer is:
B
Best method for preparing pure aliphatic `1^@` amine is Grabiel phthalimide synthesis.
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ICSE-ORGANIC COMPOUNDS CONTAINING NITROGEN-EXERCISE (PART-I OBJECTIVE QUESTIONS)
  1. Acid anhydrides on reaction with primary amine gives…

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  2. The reaction Aroverset(+)N(2)Cl^(-) overset(Cu//HCl)to ArCl +N(2) + ...

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  3. Best method for preparing primary amines from alkyl halides without ch...

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  4. Which of the following compounds will not undergo azo coupling reactio...

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  5. Which of the following compounds is the weakest Bronsted base?

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

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

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  8. Which of the following should be most volatile ?

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

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  10. Gabrial synthesis is used for the preparation of

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

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

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

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

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  15. Trimethylamine is less basic than dimethylamine.

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

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

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

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

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

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