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An Organic compound (A) with molecular formula C₃H₇NO on heating with Br₂ and KOH forms a compound (B). Compound (B) on heating with CHCl₃ and alcoholic KOH produces a foul smelling compound (C) and on reacting with C₆H₅SO₂Cl forms a compound (D) which is soluble in alkali. Write the structures of (A), (B), (C) and (D).
Arrange the following compounds in the increasing order of their basic strength in aqueous solution : CH₃ NH₂, (CH₃)₃ N, (CH₃)₂NH
What is Hinsberg's reagent ?
What is the role of pyridine in the acylation reaction of amines?
Read the following passage and answer the questions that follow : Amines constitute an important class of organic compounds derived by replacing one or more hydrogen atoms of ammonia molecule by alkyl/aryl groups. Amines are usually formed from nitro compounds, halides, amides, etc. They exhibit hydrogen bonding which influences their physical properties. Alkyl amines are found to be stronger bases than ammonia. In aromatic amines, electron releasing and withdrawing groups, respectively increase and decrease their basic character. Reactions of amines are governed by availability of the unshared pair of electrons on nitrogen. Influence of the number of hydrogen atoms at nitrogen atom on the type of reactions and nature of products is responsible for identification and distinction between primary, secondary and tertiary amines. Reactivity of aromatic amines can be controlled by acylation process.
Give reasons :
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