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प्रश्न
Write reactions for the following conversions.
4-Nitrobenzoic acid to Nitrobenzene
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उत्तर
Sodium salts of 4-nitrobenzoic acid on heating with soda lime give nitrobenzene.
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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 ______.
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?
Hydroxyl amine
Write the preparation reactions for acid amide from the following.
Acid chloride
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.
\[\ce{Dry ice ->[i. Dry ether][ii. Hydrolysis] A ->[PCl5] B ->[H2(gas)][Pd - BaSO4] C}\]
Which of the following compounds reacts with ammonia to form urotropine?
The product of the reaction between dialkyl cadmium and acyl chloride is a/an ____________.
Products in the following reaction are:
\[\ce{CH3COOH + PCl3 ->[\Delta]}\]
Which of the following carboxylic acids will have the highest acidity?
Which among the following is the strongest acid?
Which of the following functional groups is reduced by diborane?
Write structure of adipic acid.
Which oxide of nitrogen is obtained on heating ammonium nitrate at 250°C?
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.
\[\ce{\underset{}{Methylpropanoate} ->[Δ][dil. NaOH] \underset{\underset{}{}}{A}->[H+][Conc. HCl] \underset{\underset{}{}}{B}}\]
