The proposed mechanism for hydration of ethene to yield ethanol is as follows:

The wrong step in the above mechanism is:

1. Step 1 2. Step 2
3. Step 3 4. Both steps 2 and 3

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
Level 3: 35%-60%
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The reaction of 3-methylbutan-2-ol with HBr gives:

1. 2-Bromo-3-methyl butane 2. 2-Bromo-2-methyl butane
3. 3-Bromo-2-methyl butane 4. 3-Bromo-3-methyl butane
Subtopic:  Alcohols: Preparation & Properties |
 60%
Level 2: 60%+
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The reaction of hydrogen iodide with methoxybenzene gives:

1. Phenol 2. Iodomethane
3. Phenol and Iodomethane 4. None of the above
Subtopic:  Ethers: Preparation & Properties, Uses |
 82%
Level 1: 80%+
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What is the product of the reaction of hydrogen iodide with benzyl ethyl ether?

1. Ethanol

2. Benzyl iodide

3. Benzyl iodide and Ethanol

4. None of the above

Subtopic:  Ethers: Preparation & Properties, Uses |
 59%
Level 3: 35%-60%
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The correct sequence of reactions is:

1.  
2.   
3.
4.

Subtopic:  Phenols: Preparation & Properties |
 52%
Level 3: 35%-60%
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Which of the following reaction transformations is correctly represented?

1.
2.
3.
4. None of the above
Subtopic:  Alcohols: Preparation & Properties |
 77%
Level 2: 60%+
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\(\large{\mathrm{CH_3CH_2CH_2ON}a+\mathrm{CH_3CH_2CH_2Br \rightarrow}} \)

 
The major product of above Williamson's ether synthesis will be:

1. 1-Propoxypropane
2. 2-Propoxypropane
3. 3-Propoxypropane
4. 4-Propoxypropane

Subtopic:  Ethers: Preparation & Properties, Uses |
 79%
Level 2: 60%+
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The incorrect reaction among the following is:

1.
2.
3.
4.
Subtopic:  Phenols: Preparation & Properties |
 74%
Level 2: 60%+
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The major product of Williamson’s ether synthesis reaction would be:
 

1. Benzene 2. Methoxy benzene
3. Ethoxy benzene 4. Ethane
Subtopic:  Ethers: Preparation & Properties, Uses |
 92%
Level 1: 80%+
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In the following Williamson’s synthesis reaction,

CH3CH2ONa + CH3-Br → ?

The product will be:

1. 1-Methoxyethane 2. 2-Methoxyethane
3. 3-Methoxyethane 4. 4-Methoxyethane
Subtopic:  Ethers: Preparation & Properties, Uses |
 86%
Level 1: 80%+
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