A compound that does not give a positive test in Lassaigne’s test for nitrogen is-

1.	Urea	2.	Hydrazine
3.	Azobenzene	4.	Phenyl hydrazine

The pair that represents chain isomers is- 

The IUPAC name of the above-mentioned compound is:

1. Pent-1-en-3-yne

2. Pent-1-ene-4-yne

3. Pent-4-yn-1-ene

4. Pent-1-en-4-yne

The IUPAC name of the above mentioned compound is - 

1. Citric acid

2. 3-Hydroxy pentane-1,5-dioic acid

3. 2-Hydroxypropane-1,2,3-tricarboxylic acid

4. 2-Carboxy-2-hydroxy propane-1,3-dicarboxylic acid

The aromatic compound among the following is:-

1.		2.
3.		4.

The pair of structures that does not represent isomers is:

1.		2.
3.		4.

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

 

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 :