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प्रश्न
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Ethane-1,2-diol in presence of dry HCl.
उत्तर
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 ______.
What is the action of following on proponal?
Hydroxyl amine
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 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 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)?
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 ______.
Which of the following carboxylic acids will have the highest acidity?
The elimination of CO2 from a carboxylic acid is known as ____________.
Which among the following is the strongest acid?
Which of the following aromatic acids has less acidic strength than benzoic acid?
The number of bonding pairs and lone pairs of electrons present in the central atom of ammonia molecular are respectively.
How will you prepare Acetic anhydride from acetic acid?