Product Z of above reaction is :

Which of the following compounds is hemiacetal?
 

1
2.
3.
4.	All of these

Arrange their stabilities of given gem-diols in decreasing order.

(a) I > II > III

(b) III > II > I

(c) I > III > II

(d) III > I > II 

What is the product obtained by heating the following allylic ether of phenol?

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.