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Subtopic: Phenols: Preparation & Properties |
90%
Level 1: 80%+
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In the given reaction, P and Q can be separated by steam distillation if A is treated with conc. HNO3, it gives product R. Find out the total number of oxygen atoms in R:
1. Six (6)
2. Five (5)
3. Three (3)
4. Seven (7)
1. Six (6)
2. Five (5)
3. Three (3)
4. Seven (7)
Subtopic: Phenols: Preparation & Properties |
65%
Level 2: 60%+
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Subtopic: Alcohols: Preparation & Properties |
82%
Level 1: 80%+
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Which compound predominantly forms the meta-substituted product for the methyl group in a halogenation reaction?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Electrophilic Substitution Reactions, Uses of Phenols |
Level 3: 35%-60%
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A compound 'X' is acidic and it is soluble in NaOH solution, but insoluble in NaHCO3 solution. Compound 'X' also gives a violet color with a neutral FeCl3 solution. The compound 'X' is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Phenols: Preparation & Properties |
86%
Level 1: 80%+
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Hydrolysis of which compound will give carbolic acid?
1. Cumene
2. Benzenediazonium chloride
3. Benzal chloride
4. Ethylene glycol ketal
1. Cumene
2. Benzenediazonium chloride
3. Benzal chloride
4. Ethylene glycol ketal
Subtopic: Phenols: Preparation & Properties |
63%
Level 2: 60%+
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The product of the given reaction is:
1. t-Butylether
2. 2-Methylpropene
3. 2-Methylpent-1-ene
4. 2,2,3,3-Tetramethylbutane
1. t-Butylether
2. 2-Methylpropene
3. 2-Methylpent-1-ene
4. 2,2,3,3-Tetramethylbutane
Subtopic: Phenols: Preparation & Properties |
Level 3: 35%-60%
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When phenol reacts with nitric acid, it produces two different products A and B. Which method can be used to separate products A and B?
1. Steam distillation
2. Fractional distillation
3. Chromatography
4. Filtration
Subtopic: Phenols: Preparation & Properties |
81%
Level 1: 80%+
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A suitable reagent for the reaction below is:
1. \(BH_3 /THF , \ H_2O_2 /OH^{-} ~then~ PCC \)
2. \(H_3O^+ , then ~PCC \)
3. PCC oxidation
4. \(BH_3/THF , HIO_4 \)
1. \(BH_3 /THF , \ H_2O_2 /OH^{-} ~then~ PCC \)
2. \(H_3O^+ , then ~PCC \)
3. PCC oxidation
4. \(BH_3/THF , HIO_4 \)
Subtopic: Alcohols: Preparation & Properties |
77%
Level 2: 60%+
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The correct match of the product given in Column-II with the reaction in Column-I is:
1. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
2. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
3. (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
4. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
| Column-I | Column-II |
(a)  |
(i)  |
(b)  |
(ii)  |
(c)  |
(iii) |
(d) |
(iv)  |
1. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
2. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
3. (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
4. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
Subtopic: Phenols: Preparation & Properties | Electrophilic Substitution Reactions, Uses of Phenols |
95%
Level 1: 80%+
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