Advertisements
Advertisements
प्रश्न
Write the structure of the product formed when carboxylic acid is heated with a dehydrating agent like P2O5
Advertisements
उत्तर
Mono carboxylic acids on heating with a strong dehydrating agent like P2O5, give acid anhydrides. The structure of acid anhydride is,
APPEARS IN
संबंधित प्रश्न
Answer in brief.
Formic acid is stronger than acetic acid. Explain.
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
Write reactions for the following conversions.
4-Nitrobenzoic acid to Nitrobenzene
Write chemical reactions to convert –COOH group of acetic acid into the following.
CH4
Write chemical reactions to convert –COOH group of acetic acid into the following.
C2H5OH
Write reaction for preparation of acetophenone from benzoyl chloride.
Explain the acidic nature of carboxylic acids.
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 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:
A flavouring agent found in oil of wintergreen is ______.
Products in the following reaction are:
\[\ce{CH3COOH + PCl3 ->[\Delta]}\]
Which of the following carboxylic acids will have the highest acidity?
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 compounds is obtained when ethanoic anhydride is treated with water?
Which of the following can reduce?
\[\ce{RCOOH -> RCH2OH}\]
How sodium bicarbonate test is used to distinguish between carboxylic acid and phenol?
Identify the product ‘B’ in the following sequence of reactions.
\[\ce{\underset{}{Methylpropanoate} ->[Δ][dil. NaOH] \underset{\underset{}{}}{A}->[H+][Conc. HCl] \underset{\underset{}{}}{B}}\]
Which among the following is the strongest acid?
