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

The product 'B' in the below mentioned reaction is-

1. Phenol 

2. Benzol

3. Sodium benzoate 

4. Benzal

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

A gas that comes out when ethyl alcohol is heated with methyl magnesium iodide, is -

1. Methane

2. Ethane

3. Carbon dioxide

4. Propane

The conversion of cyclohexanol into cyclohexene is most effective with     

1. Concentrated H₃PO₄

2. Concentrated HCl

3. Concentrated HCl / ZnCl₂

4. Concentrated HBr

The product in the below mentioned reaction is:

1.
2.
3.	C6H5OC6H5
4.	C2H5OC2H5

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

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. ${\mathrm{}}_{}$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

Ethyl chloride is converted into diethyl ether by -                                                  

1. Wurtz reaction                           

2. Grignard reaction

3. Perkin's reaction                         

4. Williamson's synthesis