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Q. No.

The most basic nitrogen in the given molecule is :


1. A
2. B
3. C
4. D

Subtopic:  Amines - Preparation & Properties |
 78%
Level 2: 60%+
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The product (major) formed in the given organic reaction, A, is: 

1. 2.
3. 4.
Subtopic:  Amines - Preparation & Properties |
 60%
Level 2: 60%+
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For the following ions, choose the correct statement:
 
1. III is the most stable in aqueous phase
2. I is the most stable in the aqueous phase
3. III is the smallest in size
4. II is the most stable in the aqueous phase



 
Subtopic:  Amines - Preparation & Properties |
 56%
Level 3: 35%-60%
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In the following reaction sequence:
 
the major products X and Z are:
 
1.
2.
3.
4.
Subtopic:  Amines - Preparation & Properties | Mechanism |
Level 4: Below 35%
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A mixture of 1 mol of benzene and 1 mol of nitrobenzene is reacted with 1 mol of acetyl chloride in the presence of AlCl3. The major product(s) is/are:
1. Acetophenone 
2. 3-Nitroacetophenone
3. 1:1 Mixture of acetophenone and 3-Nitroacetophenone
4. 1,3-Diacetyl benzene
Subtopic:  Urea & Nitro Compound |
Level 3: 35%-60%
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Given below are two statements:
Assertion (A): Anilinium chloride is more acidic than ammonium chloride.
Reason (R): The anilinium ion is resonance-stabilised.
 
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 statement but (R) is False.
4. Both (A) and (R) are False statements.
Subtopic:  Mechanism |
Level 4: Below 35%
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Consider the given two statements:
Assertion (A): p-Toluidine is a stronger base than m-toluidine.
Reason (R): The methyl group from m-position exerts a smaller electron-donating inductive (+l) effect than from p-position.
Options:
1. Both (A) and (R) are True and (R) is the correct explanation for (A).
2. Both (A) and (R) are True but (R) is not the correct explanation for (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Amines - Preparation & Properties |
Level 3: 35%-60%
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Given below are two statements:
Assertion (A): In strongly acidic solutions, aniline becomes more reactive towards electrophilic reagents.
Reason (R): The amino group being completely protonated in a strongly acidic solution, the lone pair of electrons on the nitrogen is no longer available for resonance
 
1. Both (A) & (R) are True and (R) is the correct explanation of (A).
2. Both (A) & (R) are True but reason is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Amines - Preparation & Properties |
Level 3: 35%-60%
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Match the organic compounds given in List–I with their corresponding pKb given in List–II:
Amine (List–I) List - II pKb (aqueous medium)
A. Aniline (i) 9.0
B. Ethanamine (ii) 3.29
C. N-Ethylethanamine (iii) 3.25
D. N,N-diethylethanamine (iv) 3.0
 
A B C D
1. (i) (ii) (iv) (iii)
2. (i) (iv) (iii) (ii)
3. (i) (ii) (iii) (iv)
4. (ii) (iii) (iv) (i)
Subtopic:  Amines - Preparation & Properties |
Level 3: 35%-60%
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When nitrobenzene is treated with bromine in the presence of FeBr3
the major product formed is m-bromonitrobenzene.
The statement related to obtaining the m-isomer is:
1. The intermediate carbonium ion formed after the initial attack of Br+ at the meta position is the least stabilised.
2. The electron density on the meta carbon is higher than that on the ortho and para positions.
3. Loss of aromaticity when Br+ attacks at the ortho and para positions and not at the meta position.
4. None of the above.
Subtopic:  Urea & Nitro Compound |
Level 4: Below 35%
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