Hybridisation of N in pyrrole  is

1. sp                                2. sp²

3. sp³                              4. sp³d

The correct stability order for the following species is:

I.
II.
III.
IV.

1. II > IV > I > III

2. II > I > III > IV

3. II > I > IV > III

4. I > III > II > IV

The most stable carbanion among the following is

The configuration of given tartaric acid is

1. 2R, 3R         2. 2R, 3S

3. 2S, 3S         4. 2S, 3R

Identify the structure of x,

(1)

(2)

(3)

(4)

In the given sequence reaction which of the following is the correct structure of compounds A.

(1)
(2)
(3)
(4)

Choose the correct statement

(1) I effect transfers e^– from one carbon atom to another

(2) I effect operates in both σ\p bond

(3) I effect creates not charge in molecule

(4) I effect creates partial charges and it is distance dependent

The IUPAC name of   is:

1. 2-Phenylpropan-3-al               2. Formylethylbenzene

3. 2-Phenylpropanal                   4. Ethylformylbenzene

The IUPAC name of  is:

1. Ethanoic propanoic anhydride
2. Propanoic ethanoic anhydride
3. 1-Ethanoyloxypropanone
4. 3-Ethanoyloxypropan-3-one

The IUPAC name of  is:

1. Butane-2, 3-dial

2. Butane-1, 3-dione

3. Butane-2, 3-dione

4. 1, 2-dimethylethanedione