The alcohol expected to have the lowest pKa value among the following is -

1. Ethanol

2. 2-Fluoro ethanol

3. 2,2,2-Trifluoroethanol

4. 2-Chloroethanol

Subtopic:  Alcohols: Preparation & Properties |
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The product 'B' in the below mentioned reaction is-

1. Phenol 

2. Benzol

3. Sodium benzoate 

4. Benzal

Subtopic:  Phenols: Preparation & Properties |
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Ether is more volatile than alcohol despite having the same molecular formula. This is due to -

1. Dipolar character of ethers

2. Alcohols having resonance structures

3. Intermolecular hydrogen bonding in ethers

4. Intermolecular hydrogen bonding in alcohols

Subtopic:  Ethers: Preparation & Properties, Uses |
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A gas that comes out when ethyl alcohol is heated with methyl magnesium iodide, is -

1. Methane

2. Ethane

3. Carbon dioxide

4. Propane

Subtopic:  Alcohols: Preparation & Properties |
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The conversion of cyclohexanol into cyclohexene is most effective with     

1. Concentrated H3PO4

2. Concentrated HCl

3. Concentrated HCl / ZnCl2

4. Concentrated HBr

Subtopic:  Alcohols: Preparation & Properties |
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The product in the below mentioned reaction is:

1.   
2.  
3.  C6H5OC6H5
4.  C2H5OC2H5
Subtopic:  Ethers: Preparation & Properties, Uses |
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When vapour of a secondary alcohol is passed over heated copper at 573 K, the product formed is -

1. A carboxylic acid

2. An aldehyde

3. A ketone

4. An alkene

Subtopic:  Alcohols: Preparation & Properties |
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The major products C and D formed in the following reaction respectively are:
\(CH_3CH_2CH_2OC{(CH_3)}_3 \xrightarrow[\Delta]{\text{Excess}\ HI}\ C + D\)

1. H3C-CH2-CH2-I  and I-C(CH3)3

2. H3C-CH2-CH2-OH  and I-C(CH3)3

3. H3C-CH2-CH2-I  and HO-C(CH3)3

4. H3C-CH2-CH2-OH  and HO-C(CH3)3

Subtopic:  Ethers: Preparation & Properties, Uses |
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"A" and "B" are respectively:

 
A B
1.     
2. 
3.   
4.   

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
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Ethyl chloride is converted into diethyl ether by -                                                  

1. Wurtz reaction                           

2. Grignard reaction

3. Perkin's reaction                         

4. Williamson's synthesis

Subtopic:  Ethers: Preparation & Properties, Uses |
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