The decreasing order of boiling points of $1°$,$2°$,$3°$ alcohol is:

1. $1°$>$2°$>$3°$                             

2. $3°$>$2°$>$1°$

3. $2°$>$1°$>$3°$                             

4. None of the above

Phenol is less soluble in water. It is due to:

1. Non-polar nature of phenol

2. Acidic nature of -OH group

3. Non-polar hydrocarbon part in it

4. None of the above

How many isomers of C₅H₁₁OH will be primary alcohols?

1. 5

2. 4

3. 2

4. 3

What mass of isobutylene is obtained from 37 g of tertiary butyl alcohol by heating with 20% H₂SO₄ at 363 K, if the yield is 65%?

1. 16 g

2. 18.2 g

3. 20 g

4. 22 g

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

1. Phenoxide ion is bulkier than ethoxide

2. Phenoxide ion is stronger base than ethoxide

3. Phenoxide ion is stabilised through delocalisation

4. Phenoxide ion is less stable than ethoxide

Reaction of ethyl formate with excess of CH₃MgI followed by hydrolysis gives

1. n-propyl alcohol                 

2. Ethanol             

3. Isopropyl alcohol             

4. Propanal

The product that forms when sodium phenoxide is heated with ethyl iodide is-             

1. Phenetole

2. Ethyl phenyl alcohol

3. Phenol

4. None of the above

Among the following sets of reactants which one produces anisole?                           

1. CH₃CHO, RMgX

2. C₆H₅OH, NaOH, CH₃I

3. C₆H₅OH, neutral FeCl₃

4. C₆H₅-CH₃, CH₃COCl, AlCl₃

n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent:

1. ${\mathrm{PCl}}_5$

2. Reduction

3. Oxidation with potassium dichromate

4. Ozonolysis

Identify the major products P, Q and R in the following sequence of reactions:

1.
2.
3.
4.