The IUPAC name of the given compound is : 
 

 

1. 2–Bromo-3–methylbutanoic acid

2. 2-Methyl-3-bromobutanoic acid

3. 3-Bromo-2-methylbutanoic acid

4. 3-Bromo-2,3-dimethylpropanoic acid.

The \(C - H\) bond distance is longer in - 

The number of primary amines of the formula ${\mathrm{C}}_4{\mathrm{H}}_{11}\mathrm{N}$ are :

An isomer of ethanol is-

The compounds that show geometrical isomerism among the following are:

a. 2-Butene

b. Propene

c. 1-Phenylpropene

d. 2-Methylbut-2-ene

1. a, b

2. c, d

3. a, b, c

4. a, c

Paper chromatography is an example of-

1. Partition chromatography

2. Thin layer chromatography

3. Column chromatography

4. Adsorption chromatography

Compare the stability of the two resonating structures given below and mark the correct option:

1. (I)  is more stable than (II)

2. (II) is more stable than (I)

3. (I) and (II) both have the same stability 

4. None of the above

The effect that makes 2,3–dimethyl-2-butene more stable than 2-butene is-

1. Resonance

2. Hyperconjugation

3. Steric effect

4. Inductive effect

The pair of structures that does not represent isomers is:

1.		2.
3.		4.

The aromatic compound among the following is:-

1.		2.
3.		4.