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Phenol on treatment with in the presence of followed by acidification produces compound as the major product. X on treatment with in the presence of catalytic amount of produces
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Important Questions on Aldehydes, Ketones and Carboxylic Acids
MEDIUM
The decreasing order of ease of alkaline hydrolysis for the following esters is
MEDIUM
Acetic anhydride reacts with diethyl ether in the presence of anhydrous to give
HARD
The major product of the following reaction is:
MEDIUM
In the following reaction sequence, the correct structures of and are
[*implies labelled carbon]
EASY
In the presence of a small amount of phosphorous, aliphatic carboxylic acid reacts with chlorine or bromine to yield a reaction in which, hydrogen is been replaced by halogen. This reaction is known as
MEDIUM
chlorosodium acetate on boiling with aqueous sodium nitrite gives
MEDIUM
The major product of the following reaction is:
MEDIUM
Which of the following acid will form an (a) Anhydride on heating and (b) Acid imide on strong heating with ammonia?
EASY
Acid strength given below the correct decreasing order will be :
HARD
The most suitable reagent for the given conversion is:
MEDIUM
Which one of the following esters gets hydrolyzed most easily under alkaline conditions?
HARD
List includes starting materials and reagents of selected chemical reactions. Listgives structures of compounds that may be formed as intermediate products and/or final products from the reactions of List.
| List-I | List-II |
|---|---|
(I)  |
 |
(II)  |
 |
(III)  |
 |
(IV)  |
 |
 |
|
 |
Which of the following options has the correct combination considering List and List?
HARD
The reagent(s) required for the following conversion are:
MEDIUM
Propanoic acid undergoes reaction to give chloropropanoic acid. The product obtained is
MEDIUM
The total number of isomeric linear dipeptides which can be synthesised from racemic alanine is
EASY
Which of the following acids, does NOT undergo Hell-Volhard-Zelinsky reaction?
HARD
In the reaction,
,
the product C is :
MEDIUM
An organic compound A upon reacting with gives B. On heating, B gives C. C in presence of KOH reacts with Br2 to give CH3CH2NH2. A is :
EASY
Give the chemical equation for the reaction of with following:
