The relative stability order of carbanions CH≡C-, CH₃ - and CH₂=CH^- is ____________

1. $\mathrm{CH}\equiv {\mathrm{C}}^{-}>{\mathrm{CH}}_2={\mathrm{CH}}^{-}>{\mathrm{CH}}_3^{-}$

2. ${\mathrm{CH}}_3^{-}>{\mathrm{CH}}_2={\mathrm{CH}}^{-}>\mathrm{CH}\equiv {\mathrm{C}}^{-}$

3. $\mathrm{CH}\equiv {\mathrm{C}}^{-}<{\mathrm{CH}}_2={\mathrm{CH}}^{-}>{\mathrm{CH}}_3^{-}$

4. ${\mathrm{CH}}_2={\mathrm{CH}}^{-}<\mathrm{CH}\equiv {\mathrm{C}}^{-}<{\mathrm{CH}}_3^{-}$

Which of the following is the strongest nucleophile in aprotic solvent?

1. Br^-         
2. OH^-
3. CN^-        
4. CH₃O^-

Which of the following is the most stable carbocation
 

1.
2.
3.
4.

What is the decreasing order of acidity for the compounds given below?

The correct increasing order of carbon-carbon bond length in the given compounds is: 

1. III<II<I<IV

2. IV<I<II<III

3. I<II<III<IV

4. I<IV<III<II

The IUPAC name of the following compounds is:
 

1. 1-Bromocyclohexane carboxylic acid

2. 3-Bromocyclohexanoic acid

3. 3-Bromoheptanoic acid

4. 3-Bromocyclohexanecarboxylic acid

The correct order of basicities of the following compounds is:

(1)

(2) ${\mathrm{CH}}_3-{\mathrm{CH}}_2-{\mathrm{NH}}_2$

(3) ${\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}$

(4) ${\mathrm{CH}}_3-\stackrel{\stackrel{\mathrm{O}}{\left|\right|}}{\mathrm{C}}-{\mathrm{NH}}_2$

1. 2>1>3>4         

2. 1>3>2>4

3. 3>1>2>4         

4. 1>2>3>4

The most reactive of these compounds towards sulphonation is

1. Toluene                2. Chlorobenzene

3. Nitrobenzene        4. m-Xylene

How many geometrical isomers are possible of the following?

 CH₃-CH=CH-CH=CH-CH₃

1. 2             2. 3

3. 4             4. 6

The configuration of given tartaric acid is

1. 2R, 3R         2. 2R, 3S

3. 2S, 3S         4. 2S, 3R