Compounds Containing Nitrogen - Organic Chemistry PYQ

Arrange the following bases in decreasing order of basicity.

1. Aniline

2. o-nitroaniline

3. m-nitroaniline

4. p-nitroaniline

Using Kjeldahl’s method over 1g of a soil sample, the ammonia evolved could neutralise 25 mL of 1 M H\(_2\)SO\(_4\). Then, the percentage of nitrogen present in the sample is

The relative basic strength of the compounds is correctly shown in the option.

Arrange the following in decreasing order of their boiling points.

Identify the major product formed from the following reaction.

What are $X$ and $Y$ respectively in the following reactions?

$$\text { Identify } B \text { in the given reaction sequence. }$$

$$\text { What is } Y \text { in the given sequence? }$$

$$\text { What are } x \text { and } y \text { in the following set of reactions? }$$

In the following sequence of reactions, what is the end product $(D)$ ?

$$\mathrm{C}_2 \mathrm{H}_5 \mathrm{Br} \xrightarrow{\mathrm{KCN}} A \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} B \xrightarrow{\mathrm{LiAlH}_4} C \xrightarrow[573 \mathrm{~K}]{\mathrm{Cu}} D$$

Consider the following

Statement I : $\mathrm{CH}_3 \mathrm{NH}_2$ is more basic than $\mathrm{NH}_3$ but $\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2$ is less basic than $\mathrm{NH}_3$.

Statement II : The order of basic strength of amines in aqueous phase follows the order $\left(\mathrm{C}_2 \mathrm{H}_5\right)_3 \mathrm{~N}>\left(\mathrm{C}_2 \mathrm{H}_5\right)_2 \mathrm{NH} >\mathrm{C}_2 \mathrm{H}_5 \mathrm{NH}_2$

The correct answer is

What are $X$ and $Y$ respectively in the following reaction sequence?

$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{~N}_2^{+} X^{-} \xrightarrow{\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}} X \xrightarrow[\text { anhy. } \mathrm{AlCl}_3]{\mathrm{CO}, \mathrm{HCl}} Y$$

$$\text { In the given reaction sequence conversion of } Y \text { to } Z \text { is }$$

How many amines with molecular formula $\mathrm{C}_3 \mathrm{H}_9 \mathrm{~N}$ can react with benzenE sulphonyl chloride?

Consider the following

Statement-I In the nitration of aniline, more amount of $m$-nitroaniline is formed than expected.

Statement-II In the presence of a strongly acidic medium, aniline is protonated to form anilinium ion, which is meta-directing.

The correct answer is

$$\text { What is } A \text { in the following reaction? }$$

The reaction of benzene diazonium chloride with Cu and HCl is known as