MEDIUM
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on heating with P2O5 forms mainly
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Important Questions on Aldehydes, Ketones and Carboxylic Acids
HARD
With dehydrating agent present which dicarboxylic acid is least reactive towards forming an anhydride?
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The major product obtained in the reaction of aniline with acetic anhydride is
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The major product of the following reaction is:
HARD
The major product of the following reaction is:
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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 :
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Acetic anhydride reacts with diethyl ether in the presence of anhydrous to give
HARD
In the reaction,
,
the product C is :
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Propanoic acid undergoes reaction to give chloropropanoic acid. The product obtained is
EASY
Acid strength given below the correct decreasing order will be :
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of phosphorous, aliphatic carboxylic acid reacts with chlorine or bromine to yield a reaction in which, hydrogen is been replaced by halogen.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
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chlorosodium acetate on boiling with aqueous sodium nitrite gives
EASY
Give the chemical equation for the reaction of with following:
HARD
The most suitable reagent for the given conversion is:
HARD
The reagent(s) required for the following conversion are:
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?
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Which of the following acid will form an (a) Anhydride on heating and (b) Acid imide on strong heating with ammonia?
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Which of the following derivatives of alcohols is unstable in an aqueous base?
EASY
The correct structure of the product in the following reaction is
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In the following reaction sequence, the correct structures of and are
[*implies labelled carbon]
