Compounds Containing Nitrogen - Organic Chemistry - Chemistry Previous Year Questions

In the following reaction sequence :

Identify A, B, C and D. Also write chemical equations for cons version of A to B and A to C.

In the following reaction, X is optically active.

$\underset{\mathbf{X}}{\mathrm{C}_5 \mathrm{H}_{13}} \mathrm{~N} \xrightarrow[\mathrm{~N}_2]{\mathrm{NaNO}_2 / \mathrm{HCl}} \mathbf{Y}($ Tertiary alcohol $)+$ Other products

Find X and Y. Is y optically active? Write all the intermediate steps.

How can the conversion of (i) to (ii) be brought about?

$\mathrm{CH}_3 \mathrm{NH}_2+\mathrm{CHCl}_3+\mathrm{KOH} \rightarrow$ Nitrogen containing compound $+\mathrm{KCl}+\mathrm{H}_2 \mathrm{O}$.

Nitrogen containing compound is :

What are the constituent amines formed when the mixture of (i) and (ii) undergoes Hofmann bromamide degradation?

Which is the rate determining step in Hofmann bromamide degradation?

Statement 1 : Aniline on reaction with NaNO\(_2\)/HCl at 0\(^\circ\)C followed by coupling with \(\beta\)-naphthol gives a dark blue coloured precipitate.

Statement 2 : The colour of the compound formed in the reaction of aniline with NaNO\(_2\)/HCl at 0\(^\circ\)C followed by coupling with \(\beta\)-naphthol is due to the extended conjugation.

Match the compounds in Column I with their characteristic test(s)/reaction(s) given in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 \(\times\) 4 matrix given in the ORS.

	Column I		Column II
(A)		(P)	sodium fusion extract of the compound gives Prussian blue colour with FeSO\(_4\).
(B)		(Q)	gives positive FeCl\(_3\) test.
(C)		(R)	gives white precipitate with AgNO\(_3\).
(D)		(S)	reacts with aldehydes to form the corresponding hydrazone derivative.

Match each of the compounds in Column I with its characteristic reaction(s) in Column II.

In the reaction,

The structure of the product T is :

The major product of the following reaction is

Amongst the compounds given, the one that would from a brilliant coloured dye on treatment with NaNO₂ in dil. HCl followed by addition to an alkaline solution of \(\beta\)-naphthlol is

Match the four starting materials (P, Q, R, S) given in List I with the corresponding reaction schemes (I, II, III, IV) provided in List II and select the correct answer using the code given below the lists.

The major product of the reaction is

In the following reactions, the major product W is

The compound R is

The compound T is