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| 4. | ![]() |

The Product (B) in the above-mentioned reaction is:
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2. | ![]() |
| 3. | ![]() |
4. | ![]() |
Which of the following compounds is anti-aromatic?
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2. | ![]() |
| 3. | ![]() |
4. | ![]() |
Which of the following compounds gives the maximum percentage of meta-substituted
product upon nitration with concentrated HNO₃/H₂SO₄?
1. Toluene
2. Aniline
3. Benzene
4. Isopropylbenzene
Cyclopentadiene is much more acidic than cyclopentane, because:
| 1. | Cyclopentadiene has conjugated double bonds. |
| 2. | Cyclopentadiene has both sp2 and sp3 hybridized carbon atoms. |
| 3. | Cyclopentadiene is a strain-free cyclic system. |
| 4. | Cyclopentadienyl anion ion, the conjugate base of cyclopentadiene, is an aromatic species and hence has higher stability. |
The compounds among the following that can be generated by Friedel craft acylation is/are:
| I. | ![]() |
| II. | ![]() |
| III. | ![]() |
| IV. | ![]() |
| 1. | II, III and IV | 2. | I, III and IV |
| 3. | I and II | 4. | II and III |

The product B in the above-mentioned reaction is:
| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
4. | ![]() |
The major product obtained in the given reaction is:

| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
4. | ![]() |
A compound among the following that does not undergo Friedel-Craft's reaction easily is:
1. Cumene
2. Xylene
3. Nitrobenzene
4. Toluene
A compound that gives an optically inactive compound on treatment with H2(2 moles)/ Pt is:
1. 3-Methyl-1-pentyne
2. 4-Methyl-1-hexyne
3. 3-Methyl-1-heptyne
4. None of the above