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Q. No.
Subtopic: Alcohols: Preparation & Properties |
92%
Level 1: 80%+
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A hydroxy compound (A) with molecular mass = 122 reacts with excess of acetic anhydride and gives compound (X) with molecular mass = 290, then find the no. of hydroxy groups in the given compound (A):
1. 2
2. 4
3. 6
4. 8
1. 2
2. 4
3. 6
4. 8
Subtopic: Alcohols: Preparation & Properties |
66%
Level 2: 60%+
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Consider the given reaction and choose the correct option:
\(NaCl(solid) + H_2SO_4(conc.) + K_2Cr_2O_7(s) \rightarrow \text {Product }\)
1. Product is \(CrO_2Cl_2\) and oxidation state of Cr= +6
2. Product is \(Cr_2O_2Cl_2\) and oxidation state of Cr= +6
3. Product is \(Cr_2O_2Cl_2\) and oxidation state of Cr= +3
4. Product is \(CrO_2Cl_2\) and oxidation state of Cr= +3
\(NaCl(solid) + H_2SO_4(conc.) + K_2Cr_2O_7(s) \rightarrow \text {Product }\)
1. Product is \(CrO_2Cl_2\) and oxidation state of Cr= +6
2. Product is \(Cr_2O_2Cl_2\) and oxidation state of Cr= +6
3. Product is \(Cr_2O_2Cl_2\) and oxidation state of Cr= +3
4. Product is \(CrO_2Cl_2\) and oxidation state of Cr= +3
Subtopic: Alcohols: Preparation & Properties |
66%
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 |
79%
Level 2: 60%+
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Hints
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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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Hints
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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
 |
 |
| (A) | (B) |
 |
 |
| (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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Hints
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Consider the given reaction, and choose the correct statement:
1. Both compounds A and B are formed equally.
2. Compound B will be the major product.
3. The Reaction is not possible in acidic medium.
4. Compound A will be the major product.
1. Both compounds A and B are formed equally.
2. Compound B will be the major product.
3. The Reaction is not possible in acidic medium.
4. Compound A will be the major product.
Subtopic: Alcohols: Preparation & Properties |
66%
Level 2: 60%+
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Subtopic: Alcohols: Preparation & Properties |
Level 3: 35%-60%
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Subtopic: Alcohols: Preparation & Properties |
64%
Level 2: 60%+
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