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Q. No.Which of the following on reaction with Grignard reagent followed by hydrolysis give primary alcohol?
1. HCHO
2. CH3OH
3. CO2
4. CH3COCH3
Subtopic: Alcohols: Preparation & Properties |
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Consider the following reactions.
Major products, A and B, are:
1. CH2=CH2 and CH2=CH2
2. CH2=CH2 and CH3CH2-O-CH2-CH3
3. CH3-CH2-O-CH3 and CH3-O-CH3
4. CH3CH2-O-CH2CH3 and CH2=CH2
Major products, A and B, are:
1. CH2=CH2 and CH2=CH2
2. CH2=CH2 and CH3CH2-O-CH2-CH3
3. CH3-CH2-O-CH3 and CH3-O-CH3
4. CH3CH2-O-CH2CH3 and CH2=CH2
Subtopic: Ethers: Preparation & Properties, Uses |
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Methyl magnesium bromide, upon reaction with which compound followed by acidic hydrolysis, produces a primary alcohol?
| 1. |  |
2. |  |
| 3. |  |
4. | HCHO |
Subtopic: Alcohols: Preparation & Properties |
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Which of the following reaction(s) will yield propan-2-ol?
| 1. | \(CH_2=CH-CH_3+H_2O\xrightarrow{~~ H^+~~} ~\) |
| 2. |  |
| 3. | \(CH_2O\xrightarrow[~~(ii)~H_2O~~]{~~(i)~C_2H_5MgI~~} ~\) |
| 4. | \(CH_2=CH-CH_3\xrightarrow{~~\text{dilute }KMnO_4~~} ~\) |
Subtopic: Alcohols: Preparation & Properties |
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Subtopic: Ethers: Preparation & Properties, Uses |
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Which carboxylic acid, when treated with acetic anhydride in the presence of concentrated sulfuric acid, yields the common pain reliever aspirin ?
1. Phthalic acid
2. Oxalic acid
3. Salicylic acid
4. Glutaric acid
1. Phthalic acid
2. Oxalic acid
3. Salicylic acid
4. Glutaric acid
Subtopic: Phenols: Preparation & Properties |
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Subtopic: Phenols: Preparation & Properties |
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The products A and B, that are obtained when isopropyl benzene is subjected to aerial oxidation followed by the treatment with mild acid are:
| 1. | \(A - C_6H_5OH ~; ~B - CH_3COCH_3 \) |
| 2. | \(A - C_6H_5CH_2OH ~; ~B - CH_3OH \) |
| 3. | \(A - CH_3CHO~; ~B - C_6H_5OH \) |
| 4. | \(A - C_6H_5OH ~; ~B - CH_3OH \) |
Subtopic: Phenols: Preparation & Properties |
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Subtopic: Ethers: Preparation & Properties, Uses |
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Subtopic: Alcohols: Preparation & Properties |
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