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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
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
What is the action of following on proponal?
Hydrazine
Write the preparation reactions for acid amide from the following.
Acid chloride
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.
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?
Which is the gas evolved when carboxylic acids react with strongly electropositive metals (such as Na, K, Ca, Zn)?
Products in the following reaction are:
\[\ce{CH3COOH + PCl3 ->[\Delta]}\]
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?
Write structure of adipic acid.
Excess of ammonia with sodium hypochloride solution in the presence of glue or gelatine gives ______.
The number of bonding pairs and lone pairs of electrons present in the central atom of ammonia molecular are respectively.
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 of the following can not be oxidised to give carboxylic acid?
Which of the following represents the correct order of the acidity in the given compounds?
Which among the following is the strongest acid?
