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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.
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.
Carboxylic acid
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.
C2H5OH
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 of following elements does not form amide when reacted with ammonia?
In the following reaction:
The product X is:
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 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?
Write structure of adipic acid.
Which oxide of nitrogen is obtained on heating ammonium nitrate at 250°C?
Excess of ammonia with sodium hypochloride solution in the presence of glue or gelatine gives ______.
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?
How sodium bicarbonate test is used to distinguish between carboxylic acid and phenol?
