Amines PYQs

Select the reagents that reduce nitriles to primary amines.

The correct order of decreasing basic strength of the given amines is :

Given below are two statements : Statement I : Benzenediazonium salt is prepared by the reaction of aniline with nitrous acid at 273 – 278 K. It decomposes easily in the dry state. Statement II : Insertion of iodine into the benzene ring is difficult and hence iodobenzene is prepared through the reaction of benzenediazonium salt with KI. In the light of the above statements, choose the most appropriate answer from the options given below :

Given below are two statements: Statement I : Aniline does not undergo Friedel-Crafts alkylation reaction. Statement II : Aniline cannot be prepared through Gabriel synthesis. In the light of the above statements, choose the correct answer from the options given below:

Identify the major product C formed in the following reaction sequence:

Which of the following reactions will NOT give primary amine product?

Identify the product in the following reaction:

Given below are two statements: Statement I: Primary aliphatic amines react with HNO₂ to give unstable diazonium salts. Statement II: Primary aromatic amines react with HNO₂ to form diazonium salts which are stable even above 300 K. Choose the most appropriate answer.

The product formed from the following reaction sequence is:

Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.

The reagent 'R' in the given sequence of chemical reactions is:

Which of the following amine will give the carbylamine test?

The amine that reacts with Hinsberg’s reagent to give an alkali insoluble product is

Nitration of aniline in strong acidic medium also gives m-nitroaniline because

Which of the following compounds can form a zwitterion?

Which of the following reactions is appropriate for converting acetamide to methanamine?

Which one of the following nitro-compounds does not react with nitrous acid?

A given nitrogen-containing aromatic compound A reacts with $Sn/HCl$, followed by $HNO_2$ to give an unstable compound B, on treatment with phenol, forms a beautiful coloured compound C with the molecular formula $C_{12}H_{10}N_2O$. The structure of compound A is:

The number of structural isomers possible for the molecular formula $\mathrm{C_3H_9N}$ is:

Method by which aniline cannot be prepared is:

In the following reaction, the product (A)

Which of the following will be the most stable diazonium salt RN₂⁺X⁻?

In the given reaction, Identify $A$.

An organic compound (C₃H₉N) (A), when treated with nitrous acid, gave an alcohol and N₂ gas was evolved. (A) on warming with CHCl₃ and caustic potash gave (C) which on reduction gave isopropylmethylamine. Predict the structure of (A).

Which of the following compounds is most basic?

An organic compound 'A' on treatment with NH$_3$ gives 'B' which on heating gives 'C'. 'C' when treated with Br$_2$ in the presence of KOH produces ethylamine. Compound 'A' is:

Predict the product:

In a reaction of aniline, a coloured product C was obtained.

Cyclohexanone oxime undergoes Beckmann rearrangement to form compound A, which on polymerization gives Nylon-6. Identify compound A.

Which reagent is used to convert

Which of the following is more basic than aniline?

Aniline in a set of reactions yielded a product D. The structure of the product D would be:

Electrolytic reduction of nitrobenzene in weakly acidic medium gives: