Organic Chemistry – Some Basic Principles and Techniques

The correct stability order of the following species/molecules is : [figure]

1. q > r > p
2. q > p > r
3. p > q > r
4. r > q > p

The IUPAC name of the following compound is : [figure]

1. 5-Methoxycarbonyl-2-methylhexanoic acid
2. Methyl-5-carboxy-2-methylhexanoate.
3. 2-Carboxy-5-methoxycarbonylhexane.
4. Methyl-6-carboxy-2,5-dimethylhexanoate.

The most stable carbocation from the following is :

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The alkane from below having two secondary hydrogens is :

1. 2,2,4,5-Tetramethylheptane
2. 2,2,4,4-Tetramethylhexane
3. 4-Ethyl-3,4-dimethyloctane
4. 2,2,3,3-Tetramethylpentane

Relative stability of the contributing structures is : [figure]

1. (II) > (I) > (III)
2. (III) > (II) > (I)
3. (I) > (III) > (II)
4. (I) > (II) > (III)

Correct order of basic strength of Pyrrole, Pyridine and Piperidine is : [figure]

1. Pyridine > Piperidine > Pyrrole
2. Pyrrole > Piperidine > Pyridine
3. Pyrrole > Pyridine > Piperidine
4. Piperidine > Pyridine > Pyrrole

How many compounds among the following compounds show inductive, mesomeric as well as hyperconjugation effects? [figure]

The correct stability order of the following resonance structures of CH3-CH=CH-CHO is [figure]

1. II > III > I
2. II > I > III
3. III > II > I
4. I > II > III

Which of the following are aromatic?

1. B and D only
2. A and C only
3. C and D only
4. A and B only

In the given compound, the number of 2° carbon atom/s is . [figure]

1. Two
2. Three
3. Four
4. One