An acid among the following acids raises the acidity of phenol is:

1. Dil. H₂SO₄       

2. Dil. HCl           

3. Conc. H₂SO₄           

4. Conc. CH₃COOH

; Compounds (X) and (Y) can be differentiated by:
(1) ${\mathrm{H}}_3{\mathrm{O}}^{\oplus }$, NaOI

(2) ${\mathrm{H}}_3{\mathrm{O}}^{\oplus }$, then Fehling test

(3) ${\mathrm{H}}_3{\mathrm{O}}^{\oplus }$, then Na

(4) Both (b) and (c)

Test to differentiate between (CH₃OH) and (Ph-OH) is/are:

1. Litmus test

2. FeCl₃

3. Br₂/H₂O

4. All of these

In the reaction  + CH₃OH $\stackrel{{\mathrm{CH}}_3\mathrm{ONa}}{\to }$Product.

The product is:

(1) 

(2) 

(3) 

(4) 

Methanol and ethanol can be distinguished by the following:

1. By reaction with metallic sodium.

2. By reaction with caustic soda.

3. By heating with iodine and washing soda.

4. By heating with zinc and inorganic mineral acid.

Which of the following reaction conditions is not suitable for the preparation of an ester?

1. RCOOH + R'OH + OH^-

2. RCOCl+R'OH +Pyridine

3. RCOOH+ R’OH +H⁺

4. (RCO)₂O + R'OH + Pyridine

Methylated spirit is:

1. methanol containing some pyridine

2. ethanol containing some methanol

3. pure methanol

4.  95% methanol

Absolute alcohol is prepared from rectified spirit by:

(1) fractional distillation

(2) steam distillation

(3) azeotropic distillation

(4) vacuum distillation

Glycerol has:

1. 3 primary alcoholic groups

2. 3 secondary alcoholic groups

3. 1 primary alcoholic group and 2 secondary alcoholic groups

4. 2 primary alcoholic groups and 1 secondary alcoholic group