The reducing agent among the following is -

1. CrO₃/H⁺

2. KMnO₄

3. LiAlH₄

4. O₃

An organic compound A reacts with sodium metal and forms B. On heating with conc. H₂SO₄, A gives diethyl ether. So A and B are:
1. C₃H₇OH and CH₃ONa
2. CH₃OH and CH₃ONa
3. C₄H₉OH and C₄H₉ONa
4. C₂H₅OH and C₂H₅ONa

Among the following ethers, the one that will produce methyl alcohol on treatment with hot concentrated HI is:

1.		2.
3.		4.

The structure of A in the below mentioned reaction is:

 

1.		2.
3.		4.

The correct order of dehydration of compounds (i), (ii) and (iii) by conc. H₂SO₄ is:

(i)
(ii)
(iii)

1. (i) > (iii) > (ii)                                             

2. (i) > (ii) > (iii)

3. (ii) > (i) > (iii)                                             

4. (ii) > (iii) > (i)

An aromatic compound A (C₈H₁₀O) gives the following tests with the given reagents.

The structure of  'A' is:

1.		2.
3.		4.

The strongest acid among the following aromatic compounds is -

Consider the following alcohols,

I.
II.
III.
IV.

Ease of dehydration of the above alcohols will be in the order of-

The boiling point of ethanol is higher than that of dimethyl ether due to the presence of