1. CH3NH2
2. NCCH2NH2
3. (CH3)2NH
4. C6H5NHCH3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAcid anhydrides on reaction with primary amines give:
1. Amide
2. Imide
3. Secondary amine
4. Imine
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the reactions given in Column I with the statements given in Column II.
Column I | Column II |
A. Ammonolysis | 1. Amine with a lesser number of carbon atoms |
B. Gabriel phthalimide synthesis | 2. Detection test for primary amines. |
C. Hofmann bromamide reaction | 3. Reaction of phthalimide with KOH and R—X |
D. Carbylamine reaction | 4. Reaction of alkyl halides with NH3 |
Codes:
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 1 | 2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | Acylation of amines gives a monosubstituted product whereas alkylation of amines gives a polysubstituted product. |
Reason (R): | Acyl group sterically hinders the approach of further acyl groups. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChoose the correct option
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyArenium ion involved in the bromination of aniline is ......
Choose the correct option
1. (a, b, c)
2. (b, c, d)
3. (a, c, d)
4. (a, b, d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyUnder which of the following reaction conditions, aniline gives p-nitro derivative as the major product?
a. | Acetyl chloride/pyridine followed by reaction with conc. H2SO4 + conc.HNO3 |
b. | Acetic anhydride/pyridine followed by conc. H2SO4 + conc. HNO3 |
c. | Dil. HCI followed by reaction with conc. H2SO4 + conc. HNO3 |
d. | Reaction with conc. HNO3 + conc. H2SO4 |
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following reactions belong to electrophilic aromatic substitution?
1. Bromination of acetanilide
2. Coupling reaction of aryldiazonium salts
3. Diazotisation of aniline
4. Acylation of aniline
Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology