Q. No.In the chemical reactions,
the compounds 'A' and 'B', respectively, are:
1. Nitrobenzene and chlorobenzene
2. Nitrobenzene and fluorobenzene
3. Phenol and benzene
4. Benzene diazonium chloride and fluorobenzene
The following reaction is the best method to introduce F to benzene:
The structure of intermediate compound A is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
The most stable diazonium salt among the following is:
1. \(CH_{3}N_{2}^{+}X^{-}\)
2. \(C_{6}H_{5}N_{2}^{+}X^{-}\)
3. \(CH_{3}CH_{2}N_{2}^{+}X^{-}\)
4. \(C_{6}H_{5}CH_{2}N_{2}^{+}X^{-}\)
Aniline in a set of reactions yielded a product D.
The formula of the product D in the above mentioned reaction is
1.
2.
3.
4.
Select the correct option based on statements below:
| Assertion (A): | Aniline does not undergo the Friedel-Crafts reaction. |
| Reason (R): | Diazonium salts of aromatic amines are more stable than those of aliphatic amines. |
| 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. | Both (A) and (R) are false. |
A compound among the following that does not undergo an azo coupling reaction with benzene diazonium chloride is:
1. Aniline
2. Phenol
3. Anisole
4. Nitrobenzene
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