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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
Write the reducing agent which CANNOT reduce –COOH group.
What is the action of following on proponal?
Hydrazine
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.
CH3COCl
Write reaction for preparation of acetophenone from benzoyl chloride.
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.
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 ____________.
In the following reaction:
The product X 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 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 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.
Which of the following can reduce?
\[\ce{RCOOH -> RCH2OH}\]
How will you prepare Acetic anhydride from acetic acid?
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?
