p-Toluidine reacts with benzene diazonium chloride to form compound, which on boiling with aq. H₂SO₄ give .......... products:
(1) 3
(2) 2
(3) 4
(4) 5

Product (C) in the above reaction is:

1. 

2.

3. 

4.

The product of the given reaction is :

; Product (B) of this reaction is :

1.		2.
3.		4.

Cyclopentadiene is much more acidic than cyclopentane, because:

 The compounds among the following that can be generated by Friedel craft acylation is/are -

I.
II.
III.
IV.

     
The product B in the above-mentioned reaction is:

1.		2.
3.		4.

The major product obtained in the given reaction is:

1.		2.
3.		4.

$\underset{\left(2\right) {\mathrm{H}}_3{\mathrm{O}}^{\oplus }}{\overset{\left(1\right) {\mathrm{KMnO}}_4, {\mathrm{HO}}^{-}, ∆}{\to }}$

The labelled carbon goes with:

$1. \mathrm{Ph}-\stackrel{14}{\mathrm{C}}{\mathrm{O}}_2\mathrm{H}$
$2. \stackrel{14}{\mathrm{C}}{\mathrm{O}}_2$
$3. \mathrm{Ph}-\stackrel{14}{\mathrm{C}}{\mathrm{H}}_2-{\mathrm{CO}}_2\mathrm{H}$
$4. \stackrel{14}{\mathrm{C}}{\mathrm{H}}_4$

The deactivating but ortho-para directing benzene ring substituent among the following is-

1. -N=O

2. -OCH₃

3. -COCH₃

4. -NO₂