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Q. No.What is the IUPAC name of catechol?
1. Benzene, \(1,2\)-diol
2. Benzene, \(1,3\)-diol
3. Benzene, \(1,4\)-diol
4. \(3\)-Hydroxyphenol
Subtopic: Nomenclature |
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Arrange the following anions in the decreasing order of their stability:
| 1. | I > II > III > IV | 2. | IV > III > II > I |
| 3. | III > II > I > IV | 4. | II > IV > III > I |
Subtopic: Electron Displacement Effects |
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Level 2: 60%+
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Which of the following is/are used as adsorbent in adsorption chromatography?
| 1. | Silica gel | 2. | Alumina |
| 3. | Benzene | 4. | Both (1) and (2) |
Subtopic: Conformational Isomers | Quantitative Analysis of Organic Compounds |
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Level 1: 80%+
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What is the sum of the number of \( \sigma\) and \(\pi\) bonds present in \(\text { 2-oxo-hex-4-yn-oic acid}\) ?
1. 12
2. 18
3. 24
4. 43
1. 12
2. 18
3. 24
4. 43
Subtopic: Hybridisation & Structure of Carbon Compounds | Nomenclature |
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Subtopic: Quantitative Analysis of Organic Compounds |
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The IUPAC name of the following compound is:
1. 3-Formylhept-6-enoic acid
2. 3-Aldohept-7-enoic acid
3. 3-Ketohept-6-enoic acid
4. 2-Oxohept-6-enoic acid
1. 3-Formylhept-6-enoic acid
2. 3-Aldohept-7-enoic acid
3. 3-Ketohept-6-enoic acid
4. 2-Oxohept-6-enoic acid
Subtopic: Nomenclature |
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Level 1: 80%+
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Which of the following statements is incorrect?
| 1. | Glycerol is purified by vacuum distillation. |
| 2. | Aniline is purified by steam distillation. |
| 3. | Chloroform and aniline can be separated by distillation. |
| 4. | Ethanol and water form an azeotropic mixture that can be separated by distillation. |
Subtopic: Qualitative Analysis of Organic Compounds |
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Level 2: 60%+
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Match the following:
1. (i) → (b), (ii) → (a), (iii) → (c), (iv) → (d)
2. (i) → (a), (ii) → (b), (iii) → (c), (iv) → (d)
3. (i) → (c), (ii) → (b), (iii) → (a), (iv) → (d)
4. (i) → (d), (ii) → (c), (iii) → (a), (iv) → (b)
| Column-I | Column-II | ||
| (i) | Nitrobenzene | (a) | +R |
| (ii) | Aniline | (b) | -R |
| (iii) |  |
(c) | +E |
| (iv) |  |
(d) | -E |
1. (i) → (b), (ii) → (a), (iii) → (c), (iv) → (d)
2. (i) → (a), (ii) → (b), (iii) → (c), (iv) → (d)
3. (i) → (c), (ii) → (b), (iii) → (a), (iv) → (d)
4. (i) → (d), (ii) → (c), (iii) → (a), (iv) → (b)
Subtopic: Electron Displacement Effects |
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Level 1: 80%+
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Which of the following options represents the correct metamer of the given compound?
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Subtopic: Structural Isomers |
85%
Level 1: 80%+
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Sum of number of \(\sigma\) and \(\pi\) bonds in ethylene molecule is \(x\) . Then value of \(x\) is:
1. 4
2. 2
3. 6
4. 8
1. 4
2. 2
3. 6
4. 8
Subtopic: Hybridisation & Structure of Carbon Compounds |
92%
Level 1: 80%+
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