Q. No.Which of the following are steam volatile compounds?
Choose the correct answer from the options given below:
1. (B) and (D) only
2. (A) and (C) only
3. (A) and (B) only
4. (A), (B) and (C) only
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| (A) | (B) |
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| (C) | (D) |
Choose the correct answer from the options given below:
1. (B) and (D) only
2. (A) and (C) only
3. (A) and (B) only
4. (A), (B) and (C) only
Subtopic: Phenols: Preparation & Properties |
69%
Level 2: 60%+
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Given below are two statements:
| Statement I: | The boiling points of alcohols and phenols increase with increase in the number of C-atoms. |
| Statement II: | The boiling points of alcohols and phenols are higher in comparison to other class of compounds such as ethers and haloalkanes. |
| 1. | Both Statement I and Statement II are False |
| 2. | Statement I is False but Statement II is True |
| 3. | Statement I is True but Statement II is False |
| 4. | Both Statement I and Statement II are True |
Subtopic: Alcohols: Preparation & Properties | Phenols: Preparation & Properties |
79%
Level 2: 60%+
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Subtopic: Phenols: Preparation & Properties |
79%
Level 2: 60%+
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What amount of bromine will be required to convert 2 g of phenol into 2, 4, 6-tribromophenol?
(Given molar mass in g mol–1 of C, H, O, Br are 12, 1, 16, 80 respectively)
1. 10.22 g
2. 6.00 g
3. 4.00 g
4. 20.44 g
(Given molar mass in g mol–1 of C, H, O, Br are 12, 1, 16, 80 respectively)
1. 10.22 g
2. 6.00 g
3. 4.00 g
4. 20.44 g
Subtopic: Phenols: Preparation & Properties |
Level 3: 35%-60%
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Subtopic: Phenols: Preparation & Properties |
62%
Level 2: 60%+
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Choose the correct option regarding the following statements:
| Statement I: | 2, 4, 6-Trinitrotoluene is picric acid. |
| Statement II: | Reaction of 4-hydroxybenzene-1, 3-disulphonic acid with conc. \(\mathrm{HNO_3}\) gives picric acid. |
| 1. | Both Statements I and II are true. |
| 2. | Both Statements I and II are false. |
| 3. | Statement I is true, but Statement II is false. |
| 4. | Statement I is false, but Statement II is true. |
Subtopic: Phenols: Preparation & Properties |
51%
Level 3: 35%-60%
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Subtopic: Phenols: Preparation & Properties |
78%
Level 2: 60%+
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Which of the following tests can identify a phenolic group ?
1. Lucas test
2. Carbylamine test
3. Phthalein test
4. Tollen’s test
1. Lucas test
2. Carbylamine test
3. Phthalein test
4. Tollen’s test
Subtopic: Phenols: Preparation & Properties |
64%
Level 2: 60%+
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Consider the following compounds given below:
The decreasing order of pKa values is:
1. I > IV > II > III
2. I > IV > III > II
3. III > II > IV > I
4. IV > I > II > III
The decreasing order of pKa values is:
1. I > IV > II > III
2. I > IV > III > II
3. III > II > IV > I
4. IV > I > II > III
Subtopic: Phenols: Preparation & Properties |
80%
Level 1: 80%+
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Arrange the following in decreasing pKa values
1. IV > III > II > I
2. I > III > IV > II
3. IV > III > I > II
4. IV > II > III > I
1. IV > III > II > I
2. I > III > IV > II
3. IV > III > I > II
4. IV > II > III > I
Subtopic: Phenols: Preparation & Properties |
77%
Level 2: 60%+
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