Advertisements
Advertisements
प्रश्न
Write reaction for preparation of acetophenone from benzoyl chloride.
Advertisements
उत्तर
\[\ce{\underset{\text{Benzoyl chloride}}{2C6H5 - COCl} + \underset{\text{Dimethyl cadmium}}{(CH3)2Cd} -> \underset{\text{Acetophenone}}{C6H5 - CO - CH3} + CdCl2}\]
संबंधित प्रश्न
Answer in brief.
Formic acid is stronger than acetic acid. Explain.
Correct order of acid strength for
- acetic acid
- fluoroacetic acid
- 4-Nitrobenzoic acid
- 4-Methyl benzoic acid is ______.
Write the structure of the product formed when carboxylic acid is heated with a dehydrating agent like P2O5
Write the reducing agent which CANNOT reduce –COOH group.
What is the action of following on proponal?
Hydroxyl amine
What is the action of following on proponal?
Hydrazine
Write the preparation reactions for acid amide from the following.
Carboxylic acid
Write reactions for the following conversions.
4-Nitrobenzoic acid to Nitrobenzene
Explain the acidic nature of carboxylic acids.
Write reactions for the action of the following reagents on p-chlorobenzaldehyde.
Ethane-1,2-diol in presence of dry HCl.
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)?
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?
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 functional groups is reduced by diborane?
Which of the following compounds is obtained when ethanoic anhydride is treated with water?
Which of the following carboxylic acids ha highest acidic strength?
Excess of ammonia with sodium hypochloride solution in the presence of glue or gelatine gives ______.
Which of the following can reduce?
\[\ce{RCOOH -> RCH2OH}\]
Which of the following can not be oxidised to give carboxylic acid?
Which among the following is the strongest acid?
