- 1(current)
Q. No.The order of reactivity of alkyl halides (RCl, RBr, RI) with aliphatic amines is:
1. \(RCl > RI > RBr \)
2. \( RBr > RCl > RI \)
3. \(RI > RBr > RCl \)
4. \(RI > RCl > RBr \)
1. \(RCl > RI > RBr \)
2. \( RBr > RCl > RI \)
3. \(RI > RBr > RCl \)
4. \(RI > RCl > RBr \)
Subtopic: Â Mechanism |
 87%
Level 1: 80%+
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Hints
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The reagent required to convert acetamide into methyl amine is :
1. NaOH/ Br2
2. Sodalime
3. Hot conc. H2SO4
4. PCl5
Subtopic: Â Amines - Preparation & Properties |Â Mechanism |
 87%
Level 1: 80%+
AIPMT - 2010
Hints
The correct statement about the given chemical reaction is :
1. -NH2 group is ortho and para directive, so product (B) is not possible.
2. Reaction is possible and compound (B) will be the major product.
3. The reaction will form sulphonated product instead of nitration.
4. Reaction is possible and compound (A) will be major product.
Subtopic: Â Mechanism |
 84%
Level 1: 80%+
JEE
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Aniline + Benzoyl chloride \(\xrightarrow[]{Base}\) Product
The product produced in the reaction mentioned above is:
1. N-Phenylbenzamide
2. Chlorobenzene
3. N-Chlorobenzamide
4. None of the above
Subtopic: Â Mechanism |
 81%
Level 1: 80%+
Hints
Consider the following reaction:
A significant amount of meta-isomer forms because:
1. \(-NH_2 \) group is ortho- , para- , and meta-director.
2. Anilinium ions are formed during the reaction.
3. There is a less steric hindrance at meta-position.
4. Low temperature increases the amount of meta-isomer.
A significant amount of meta-isomer forms because:
1. \(-NH_2 \) group is ortho- , para- , and meta-director.
2. Anilinium ions are formed during the reaction.
3. There is a less steric hindrance at meta-position.
4. Low temperature increases the amount of meta-isomer.
Subtopic: Â Mechanism |
 78%
Level 2: 60%+
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Which of the following statements about primary amines is false?
| 1. | They react with alkaline \(CHCl_3\) on heating to form carbylamines. |
| 2. | They can be distinguished from tertiary amines based on Hinsberg's test. |
| 3. | They are incapable of forming salts with acids. |
| 4. | They can be prepared by the reduction of nitrobenzene with metals in an acidic medium. |
Subtopic: Â Mechanism |
 78%
Level 2: 60%+
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The most unlikely representation of resonance structures of p-nitrophenoxide ion is :
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Â Mechanism |
 78%
Level 2: 60%+
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- 1(current)
Q. No.
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