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प्रश्न
Write the structure of the product formed when carboxylic acid is heated with a dehydrating agent like P2O5
उत्तर
Mono carboxylic acids on heating with a strong dehydrating agent like P2O5, give acid anhydrides. The structure of acid anhydride is,
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संबंधित प्रश्न
Answer in brief.
Formic acid is stronger than acetic acid. Explain.
Arrange the following carboxylic acids with increasing order of their acidic strength and justify your answer.
1) 
2) 
3) 
Correct order of acid strength for
- acetic acid
- fluoroacetic acid
- 4-Nitrobenzoic acid
- 4-Methyl benzoic acid is ______.
Write the reducing agent which CANNOT reduce –COOH group.
Write chemical reactions to convert –COOH group of acetic acid into the following.
C2H5OH
Write chemical reactions to convert –COOH group of acetic acid into the following.
CH3COCl
Write reaction for preparation of acetophenone from benzoyl chloride.
Complete the following sequence of reactions and write structures for A, B, C.
\[\ce{Dry ice ->[i. Dry ether][ii. Hydrolysis] A ->[PCl5] B ->[H2(gas)][Pd - BaSO4] C}\]
In the reaction,
\[\ce{CH3COOH ->[SOCl2] X ->[Sodium salt of carboxylic acid] Y}\].
The compound Y was found to be a mixed acid anhydride. Thus, the sodium salt of carboxylic acid used CANNOT be ____________.
Which of the following compounds reacts with ammonia to form urotropine?
Which is the gas evolved when carboxylic acids react with strongly electropositive metals (such as Na, K, Ca, Zn)?
The product of the reaction between dialkyl cadmium and acyl chloride is a/an ____________.
Which of following elements does not form amide when reacted with ammonia?
In the following reaction:
The product X is:
A flavouring agent found in oil of wintergreen is ______.
What amount of dinitrogen contains 3.6 × 1018 molecules?
The reducing agent preferred to convert carboxylic acids and esters to primary alcohols is ____________.
Which of the following aromatic acids has less acidic strength than benzoic acid?
Which of the following functional groups is reduced by diborane?
Write structure of adipic acid.
Excess of ammonia with sodium hypochloride solution in the presence of glue or gelatine gives ______.
The number of bonding pairs and lone pairs of electrons present in the central atom of ammonia molecular are respectively.
Draw structures 01 conjugate bases of monochloroacetic acid and dichloroacetic acid. Which one is more stabilized by -I effect?
How sodium bicarbonate test is used to distinguish between carboxylic acid and phenol?
How will you prepare Acetic anhydride from acetic acid?
