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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) 
What is the action of following on proponal?
Hydrazine
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.
CH3COCl
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)?
The product of the reaction between dialkyl cadmium and acyl chloride is a/an ____________.
Which of following elements does not form amide when reacted with ammonia?
A flavouring agent found in oil of wintergreen is ______.
Products in the following reaction are:
\[\ce{CH3COOH + PCl3 ->[\Delta]}\]
What amount of dinitrogen contains 3.6 × 1018 molecules?
The reducing agent preferred to convert carboxylic acids and esters to primary alcohols is ____________.
The oxidation number of B in NaBH4 is ____________.
Which of the following aromatic acids has less acidic strength than benzoic acid?
Write structure of adipic acid.
Which of the following can reduce?
\[\ce{RCOOH -> RCH2OH}\]
Draw structures 01 conjugate bases of monochloroacetic acid and dichloroacetic acid. Which one is more stabilized by -I effect?
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?
