Which of the following is most acidic?

1. p-cresol                               

2. p-chlorophenol

3. p-nitrophenol                       

4. p-aminophenol

Identify the compound Z in the following reaction sequence:
  

1.	\(\mathrm{CH_3-CH_2-CH_2-OH}\)
2.
3.	\(\mathrm{(C_2H_5)_3C-OH}\)
4.	\(\mathrm{CH_3-CH=CH_2}\)

The alkyl halide is converted into an alcohol by 

1. addition                           

2. substitution

3. dehydrohalogenation         

4. elimination

Glycerol on warming with excess of HI:

1. 2-iodopropane

2. 1-iodopropane

3. 1,2,3-tri-iodopropane

4. none of the above

When 2-butanol is passed over heated copper at 573 K, it undergoes dehydrogenation to form:

1. 2-Butene                                         

2. Butanone

3. Butyraldehyde                                 

4. 1-Butene

The compound having lowest boiling point among the following is -

1. Phenol                                 

2. o-Nitrophenol

3. m-Nitrophenol                       

4. p-Nitrophenol

Oxidation of 2-propanol by K₂Cr₂O₇ and dilute H₂SO₄ leads to the formation of:

1. Propanal                     

2. Propanoic acid

3. Methanoic acid             

4. Propanone

A compound X with molecular formula C₃H₈O can be oxidised to a compound Y with the molecular formula C₃H₆O₂. X is most likely to be:

1. Primary alcohol                     

2. Secondary alcohol

3. Aldehyde                               

4. Ketone

The ionisation constant of phenol is higher than that of ethanol because -                   

1. Phenoxide ion is bulkier than ethoxide

2. Phenoxide ion is a stronger base than ethoxide

3. Phenoxide ion is stabilised through delocalisation

4. Phenoxide ion is less stable than ethoxide

The Williamson's synthesis reaction among the following is -

1.
2.
3.	\(C_2H_5I + C_2H_5ONa \rightarrow C_2H_5-O-C_2H_5 + NaI\)
4.