324370
For the elimination of group of amide following reaction is used
1 Hoffmann hypobromite reaction
2 Kolbe reaction
3 Hunsdiecker reaction
4 Liebermann's reaction
Explanation:
For the formation of \(\mathrm{RNH}_{2}\) from \(\mathrm{RCONH}_{2}, \mathrm{NaOH}\) and \(\mathrm{Br}_{2}\) are used as reagent. It is called Hofmann hypobromite reaction.
CHXII13:AMINES
324371
Which of the following will give primary amine? (i) ammonia + propylchloride (ii) potassium pthalimide + ethylchloride (iii) potassium pthalimide + chlorobenzene
1 (i) and (ii)
2 (i) and (iii)
3 (ii) and (iii)
4 (i), (ii) and (iii)
Explanation:
Conceptual
CHXII13:AMINES
324372
Gabriel phthalimide reaction is used for the preparation of
1 primary aromatic amines
2 secondary amines
3 primary aliphatic amines
4 tertiary amines
Explanation:
Primary aliphatic amines.
CHXII13:AMINES
324373
Statement A : Aromatic \(1^{\circ}\) amines can be prepared by Gabriel phthalimide synthesis. Statement B : Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines because aryl halides do not undergo nucelophilic substitution with the anion formed by phthalimide.
CHXII13:AMINES
324374
Which of the following reactions is appropriate for converting acetamide to methanamine?
1 Hoffmann hypobromamide reaction
2 Stephens reaction
3 Gabriel phthalimide synthesis
4 Carbylamine reaction
Explanation:
This reaction is known as Hoffmann hypobromamide reaction.
324370
For the elimination of group of amide following reaction is used
1 Hoffmann hypobromite reaction
2 Kolbe reaction
3 Hunsdiecker reaction
4 Liebermann's reaction
Explanation:
For the formation of \(\mathrm{RNH}_{2}\) from \(\mathrm{RCONH}_{2}, \mathrm{NaOH}\) and \(\mathrm{Br}_{2}\) are used as reagent. It is called Hofmann hypobromite reaction.
CHXII13:AMINES
324371
Which of the following will give primary amine? (i) ammonia + propylchloride (ii) potassium pthalimide + ethylchloride (iii) potassium pthalimide + chlorobenzene
1 (i) and (ii)
2 (i) and (iii)
3 (ii) and (iii)
4 (i), (ii) and (iii)
Explanation:
Conceptual
CHXII13:AMINES
324372
Gabriel phthalimide reaction is used for the preparation of
1 primary aromatic amines
2 secondary amines
3 primary aliphatic amines
4 tertiary amines
Explanation:
Primary aliphatic amines.
CHXII13:AMINES
324373
Statement A : Aromatic \(1^{\circ}\) amines can be prepared by Gabriel phthalimide synthesis. Statement B : Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines because aryl halides do not undergo nucelophilic substitution with the anion formed by phthalimide.
CHXII13:AMINES
324374
Which of the following reactions is appropriate for converting acetamide to methanamine?
1 Hoffmann hypobromamide reaction
2 Stephens reaction
3 Gabriel phthalimide synthesis
4 Carbylamine reaction
Explanation:
This reaction is known as Hoffmann hypobromamide reaction.
324370
For the elimination of group of amide following reaction is used
1 Hoffmann hypobromite reaction
2 Kolbe reaction
3 Hunsdiecker reaction
4 Liebermann's reaction
Explanation:
For the formation of \(\mathrm{RNH}_{2}\) from \(\mathrm{RCONH}_{2}, \mathrm{NaOH}\) and \(\mathrm{Br}_{2}\) are used as reagent. It is called Hofmann hypobromite reaction.
CHXII13:AMINES
324371
Which of the following will give primary amine? (i) ammonia + propylchloride (ii) potassium pthalimide + ethylchloride (iii) potassium pthalimide + chlorobenzene
1 (i) and (ii)
2 (i) and (iii)
3 (ii) and (iii)
4 (i), (ii) and (iii)
Explanation:
Conceptual
CHXII13:AMINES
324372
Gabriel phthalimide reaction is used for the preparation of
1 primary aromatic amines
2 secondary amines
3 primary aliphatic amines
4 tertiary amines
Explanation:
Primary aliphatic amines.
CHXII13:AMINES
324373
Statement A : Aromatic \(1^{\circ}\) amines can be prepared by Gabriel phthalimide synthesis. Statement B : Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines because aryl halides do not undergo nucelophilic substitution with the anion formed by phthalimide.
CHXII13:AMINES
324374
Which of the following reactions is appropriate for converting acetamide to methanamine?
1 Hoffmann hypobromamide reaction
2 Stephens reaction
3 Gabriel phthalimide synthesis
4 Carbylamine reaction
Explanation:
This reaction is known as Hoffmann hypobromamide reaction.
NEET Test Series from KOTA - 10 Papers In MS WORD
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CHXII13:AMINES
324370
For the elimination of group of amide following reaction is used
1 Hoffmann hypobromite reaction
2 Kolbe reaction
3 Hunsdiecker reaction
4 Liebermann's reaction
Explanation:
For the formation of \(\mathrm{RNH}_{2}\) from \(\mathrm{RCONH}_{2}, \mathrm{NaOH}\) and \(\mathrm{Br}_{2}\) are used as reagent. It is called Hofmann hypobromite reaction.
CHXII13:AMINES
324371
Which of the following will give primary amine? (i) ammonia + propylchloride (ii) potassium pthalimide + ethylchloride (iii) potassium pthalimide + chlorobenzene
1 (i) and (ii)
2 (i) and (iii)
3 (ii) and (iii)
4 (i), (ii) and (iii)
Explanation:
Conceptual
CHXII13:AMINES
324372
Gabriel phthalimide reaction is used for the preparation of
1 primary aromatic amines
2 secondary amines
3 primary aliphatic amines
4 tertiary amines
Explanation:
Primary aliphatic amines.
CHXII13:AMINES
324373
Statement A : Aromatic \(1^{\circ}\) amines can be prepared by Gabriel phthalimide synthesis. Statement B : Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines because aryl halides do not undergo nucelophilic substitution with the anion formed by phthalimide.
CHXII13:AMINES
324374
Which of the following reactions is appropriate for converting acetamide to methanamine?
1 Hoffmann hypobromamide reaction
2 Stephens reaction
3 Gabriel phthalimide synthesis
4 Carbylamine reaction
Explanation:
This reaction is known as Hoffmann hypobromamide reaction.
324370
For the elimination of group of amide following reaction is used
1 Hoffmann hypobromite reaction
2 Kolbe reaction
3 Hunsdiecker reaction
4 Liebermann's reaction
Explanation:
For the formation of \(\mathrm{RNH}_{2}\) from \(\mathrm{RCONH}_{2}, \mathrm{NaOH}\) and \(\mathrm{Br}_{2}\) are used as reagent. It is called Hofmann hypobromite reaction.
CHXII13:AMINES
324371
Which of the following will give primary amine? (i) ammonia + propylchloride (ii) potassium pthalimide + ethylchloride (iii) potassium pthalimide + chlorobenzene
1 (i) and (ii)
2 (i) and (iii)
3 (ii) and (iii)
4 (i), (ii) and (iii)
Explanation:
Conceptual
CHXII13:AMINES
324372
Gabriel phthalimide reaction is used for the preparation of
1 primary aromatic amines
2 secondary amines
3 primary aliphatic amines
4 tertiary amines
Explanation:
Primary aliphatic amines.
CHXII13:AMINES
324373
Statement A : Aromatic \(1^{\circ}\) amines can be prepared by Gabriel phthalimide synthesis. Statement B : Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines because aryl halides do not undergo nucelophilic substitution with the anion formed by phthalimide.
CHXII13:AMINES
324374
Which of the following reactions is appropriate for converting acetamide to methanamine?
1 Hoffmann hypobromamide reaction
2 Stephens reaction
3 Gabriel phthalimide synthesis
4 Carbylamine reaction
Explanation:
This reaction is known as Hoffmann hypobromamide reaction.
