Compounds Containing Nitrogen - Organic Chemistry - Chemistry Previous Year Questions

Hofmann’s bromamide reaction is to convert

Maximum number of molecules of CH\(_3\)I that can react with a molecule of CH\(_3\)NH\(_2\) are

Decomposition of benzene diazonium chloride by using Cu\(_2\)Cl\(_2\)/HCl to form chlorobenzene is

Acidified sodium fusion extract on addition of ferric chloride solution gives blood red colouration which confirms the presence of

The chemical formula of Hinsberg's reagent is

Which of the following is most stable?

Identify the product formed in the given reaction.

Which of the following is highly basic?

Which among the following will not liberate nitrogen on reaction with nitrous acid?

Which one of the following will give a positive result when it is warmed with Chloroform and alcoholic solution of \(\mathrm{KOH}\) ?

What would be the final product [\(\mathbf{X}\)] formed when p-Toluidine undergoes the following series of reactions?

$$\begin{aligned} & \text { P-Toluidine } \xrightarrow[\text { Pyridine }]{\left\{\mathrm{CH}_2, \mathrm{CO}_2 \mathrm{O}\right.}[\mathrm{P}] \\ & {[\mathrm{P}] \xrightarrow{\mathrm{Br}_2 / \mathrm{CH}_3 \mathrm{COOH}}[\mathrm{O}]} \\ & {[\mathrm{Q}] \xrightarrow[\Delta]{\text { dilнG }}[\mathrm{R}]} \\ & {\mathrm{[R]} \xrightarrow[0^{\circ} \mathrm{C}]{\mathrm{Nan}_2 / \mathrm{HCl}}\mathrm{[S]}} \\ & {[\mathrm{S}] \xrightarrow{\mathrm{H}_2 \mathrm{PO}_2}[\mathrm{X}]} \\ \end{aligned}$$

Arrange the following amines in the decreasing order of their solubilities in water.

An organic compound with molecular formula \(\mathrm{C}_3 \mathrm{H}_5 \mathrm{N}\) on hydrolysis gives compound '\(\mathrm{X}\)' which on treatment with \(\mathrm{Cl}_2 / \mathrm{P}\) gives compound '\(\mathrm{Y}\)'. Compound '\(\mathrm{Y}\)' on reaction with \(\mathrm{NH}_3\) gives '\(\mathrm{Z}\)'. The compound '\(\mathrm{Z}\)' is :

A compound having molecular formula \(\mathrm{C}_4 \mathrm{H}_{11} \mathrm{N}\), reacts with \(\mathrm{CHCl}_3\) in alcoholic \(\mathrm{KOH}\), on heating, to form a compound with a foul smell. Identify the optically active isomer of the compound which also shows the above reaction.

One of the reactions A, B, C, D given below yields a product which will not answer Hinsberg's test when reacted with Benzene sulphonyl chloride. Identify the reaction.

Which one of the following shows the correct increasing order of basic nature of the given compounds?

A: Phenylmethanamine

B: N-Ethylethanamine

C:N, N-Dimethylaniline

D : N, N-Dimethylmethanamine

Aniline undergoes reactions with reagents given in the order shown

(i) Aqueous \(\mathrm{Br}_2\)

(ii) \(\mathrm{NaNO}_2 / \mathrm{HCl} / 0^0 \mathrm{C}\)

(iii) Hypophosphorous acid

What is the product formed at the end of these reactions?

What is the final product formed when Toluene undergoes the following series of reactions?