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प्रश्न
Write the structure of the product formed when carboxylic acid is heated with a dehydrating agent like P2O5
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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
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 the preparation reactions for acid amide from the following.
Carboxylic acid
Write the preparation reactions for acid amide from the following.
Acid chloride
Write reactions for the following conversions.
Propanone to Propane
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 ____________.
In the reaction, \[\ce{C6H5COCH3 ->[{[H]}][Zn-Hg/conc. HCl] X}\], X is ______.
Which is the gas evolved when carboxylic acids react with strongly electropositive metals (such as Na, K, Ca, Zn)?
Which of following elements does not form amide when reacted with ammonia?
In the following reaction:
The product X is:
Products in the following reaction are:
\[\ce{CH3COOH + PCl3 ->[\Delta]}\]
Which of the following carboxylic acids will have the highest acidity?
The elimination of CO2 from a carboxylic acid is known as ____________.
What amount of dinitrogen contains 3.6 × 1018 molecules?
The reducing agent preferred to convert carboxylic acids and esters to primary alcohols is ____________.
Which among the following is the strongest acid?
Which of the following aromatic acids has less acidic strength than benzoic acid?
Write structure of adipic acid.
Which oxide of nitrogen is obtained on heating ammonium nitrate at 250°C?
Excess of ammonia with sodium hypochloride solution in the presence of glue or gelatine gives ______.
Draw structures 01 conjugate bases of monochloroacetic acid and dichloroacetic acid. Which one is more stabilized by -I effect?
Identify the product ‘B’ in the following sequence of reactions.
\[\ce{\underset{}{Methylpropanoate} ->[Δ][dil. NaOH] \underset{\underset{}{}}{A}->[H+][Conc. HCl] \underset{\underset{}{}}{B}}\]
