Q. No.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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Which of the following is produced when phenol is treated with an excess of bromine water?
1. m-Bromophenol
2. o- and p-Bromophenols
3. 2,4-Dibromophenol
4. 2,4,6-Tribromophenol
Subtopic: Phenols: Preparation & Properties |
91%
Level 1: 80%+
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Match the Column-I with Column-II and mark the appropriate choice.
1. (A) →(i), (B) → (iii), (C) →(ii), (D) →(iv)
2. (A) → (iii), (B) →(i), (C) →(ii), (D) → (iv)
3. (A) → (ii), (B)→ (iii), (C) → (iv), (D) → (i)
4. (A) → (iv), (B) →(i), (C) →(ii), (D) → (iii)
| Column-I | Column-II | ||
| (A) | Williamson's synthesis | (i) | \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{OH}+\mathrm{CH}_3 \mathrm{COCl}\) in the presence of pyridine |
| (B) | o-Nitrophenol | (ii) | \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{ONa}+\mathrm{C}_2 \mathrm{H}_5 \mathrm{Br}\) |
| (C) | p-Nitrophenol | (iii) | Intramolecular hydrogen bonding |
| (D) | Acetylation | (iv) | Intermolecular hydrogen bonding |
2. (A) → (iii), (B) →(i), (C) →(ii), (D) → (iv)
3. (A) → (ii), (B)→ (iii), (C) → (iv), (D) → (i)
4. (A) → (iv), (B) →(i), (C) →(ii), (D) → (iii)
Subtopic: Phenols: Preparation & Properties | Ethers: Preparation & Properties, Uses |
93%
Level 1: 80%+
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Subtopic: Phenols: Preparation & Properties |
89%
Level 1: 80%+
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What is the correct sequence of decreasing order of acid strength of the given compounds?
Propan-1-ol, 2,4,6-trinitrophenol, 3-nitrophenol, 3,5-dinitrophenol, phenol, 4-methylphenol
| 1. | 2,4,6-trinitrophenol > 3-nitrophenol > 3,5-dinitrophenol > phenol < 4-methylphenol > Propan-1-ol |
| 2. | 2,4,6-trinitrophenol > 3,5-dinitrophenol > 3-nitrophenol > phenol > 4-methylphenol > Propan-1-ol |
| 3. | 2,4,6-trinitrophenol > 3-nitrophenol > phenol > 3,5-dinitrophenol > 4-methylphenol > Propan-1-ol |
| 4. | 3-nitrophenol > phenol > 3,5-dinitrophenol > 4-methylphenol > Propan-1-ol > 2,4,6-trinitrophenol |
Subtopic: Phenols: Preparation & Properties |
90%
Level 1: 80%+
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Match the reagents (List-I) with the products (List-II) obtained from phenol:
| List-I | List-II | ||
| (A) | (i) NaOH (ii) CO2 (iii) H+ |
(I) | Benzoquinone |
| (B) | (i) Aqueous NaOH + CHCl3 (ii) H+ |
(II) | Benzene |
| (C) | Zn dust, \(\Delta\) | (III) | Salicylaldehyde |
| (D) | Na2Cr2O7, H2SO4 | (IV) | Salicylic acid |
| (A) | (B) | (C) | (D) | |
| 1. | (III) | (IV) | (I) | (II) |
| 2. | (II) | (I) | (IV) | (III) |
| 3. | (IV) | (III) | (II) | (I) |
| 4. | (IV) | (II) | (I) | (III) |
Subtopic: Phenols: Preparation & Properties |
90%
Level 1: 80%+
NEET - 2022
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Subtopic: Phenols: Preparation & Properties |
88%
Level 1: 80%+
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Examine the following compounds and answer the question:
The correct order of decreasing acidic strength of the above compounds is:
1. III>I>II>IV
2. IV>III>I>II
3. II>IV>I>III
4. I>II>III>IV
Subtopic: Phenols: Preparation & Properties |
88%
Level 1: 80%+
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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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Match the reactions from Column-I with their respective products from Column-II and choose the correct option.
1. (A) → (i), (B) → (iii), (C) → (ii), (D) → (iv)
2. (A) → (ii), (B) → (iii), (C) → (iv), (D) → (i)
3. (A) → (iv), (B) → (i), (C) → (ii), (D) → (iii)
4. (A) → (iii), (B) → (iv), (C) → (i), (D) → (ii)
| Column-I (Reaction) | Column-II (Product) | ||
| (A) | Hydrolysis of benzene diazonium chloride | (i) | p-Cresol |
| (B) | Phenol + methyl chloride in the presence of anhy. AICI3 | (ii) | Salicylic acid |
| (C) | Reaction of sodium phenoxide with CO2 | (iii) | Picric acid |
| (D) | Phenol + Conc. HNO3 | (iv) | Phenol |
1. (A) → (i), (B) → (iii), (C) → (ii), (D) → (iv)
2. (A) → (ii), (B) → (iii), (C) → (iv), (D) → (i)
3. (A) → (iv), (B) → (i), (C) → (ii), (D) → (iii)
4. (A) → (iii), (B) → (iv), (C) → (i), (D) → (ii)
Subtopic: Phenols: Preparation & Properties |
88%
Level 1: 80%+
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