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प्रश्न
Write reaction for preparation of acetophenone from benzoyl chloride.
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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 ______.
What is the action of following on proponal?
Hydrazine
Write reactions for the following conversions.
4-Nitrobenzoic acid to Nitrobenzene
Write chemical reactions to convert –COOH group of acetic acid into the following.
CH3COCl
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.
Complete the following sequence of reactions and write structures for A, B, C.
\[\ce{Dry ice ->[i. Dry ether][ii. Hydrolysis] A ->[PCl5] B ->[H2(gas)][Pd - BaSO4] C}\]
Which of the following compounds reacts with ammonia to form urotropine?
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 elimination of CO2 from a carboxylic acid is known as ____________.
The reducing agent preferred to convert carboxylic acids and esters to primary alcohols is ____________.
Which among the following is the strongest acid?
The oxidation number of B in NaBH4 is ____________.
Which of the following aromatic acids has less acidic strength than benzoic acid?
Which of the following compounds is obtained when ethanoic anhydride is treated with water?
Which oxide of nitrogen is obtained on heating ammonium nitrate at 250°C?
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?
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 of the following represents the correct order of the acidity in the given compounds?
