Flashcards for NEET Chemistry - Amines

Flashcards for NEET Chemistry are designed to boost your NEET preparation. Find below flashcards for the chapter β€œAmines”. These flashcards are prepared as per the NEET syllabus. These are helpful for aspirants of NEET and other exams, during last-minute revision. It covers all the important points that are frequently asked in the exam. Check BYJU’S, for the full set of Flashcards and Study material for NEET Chemistry.

Download PDF of NEET Chemistry Flashcards for Amines

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Chemistry

Amines

NEET Exams

flashcards for neet chemistry dec20 amines 1
flashcards for neet chemistry dec20 amines 2
flashcards for neet chemistry dec20 amines 3

   

Amines

Gabriel Phthalimide Synthesis

Gabriel Phthalimide Synthesis

Hoffmann Bromamide Degradation Reaction

Hoffmann Bromamide Degradation Reaction

Boiling Points of Amines

The order of boiling points of amines is:

Primary > Secondary > Tertiary

Intermolecular hydrogen bonding is more in primary amines than in secondary amines. Tertiary amines do not have intermolecular hydrogen bonding due to the absence of a hydrogen atom

Basicity of Amines

The order of basicity in the gaseous phase is:

Tertiary amine > secondary amine > primary amine > NH3

The order of basicity in aqueous solution is:

(C2H5)2NH > (C2H5)3N > C2H5NH2 > NH3

(CH3)2NH > CH3NH2 > (CH3)3N > NH3

Arylamines

The basicity of aniline or aromatic amines is less than that of ammonia because aniline is more stable than anilinium ion

Electron releasing groups increase basic strength, e.g. OCH3, –CH3, whereas electron-withdrawing groups like –NO2, –SO3H, –COOH, –X decrease it

Benzoylation

Amines react with benzoyl chloride (C6H5COCl)

CH3NH2 + C6H5COCl β†’ CH3NHCOC6H5 + HCl

Carbylamine Reaction

Carbylamine Reaction

Benzenediazonium Chloride

Benzenediazonium Chloride

Hinsberg’s Reagent

Benzenesulphonyl chloride (C6H5SO2Cl)

It reacts with primary and secondary amines to form sulphonamides

Tertiary amines do not react with benzenesulphonyl chloride

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