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प्रश्न
Write the reducing agent which CANNOT reduce –COOH group.
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उत्तर
Sodium borohydride (NaBH4) does not reduce –COOH group.
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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 ______.
What is the action of following on proponal?
Hydroxyl amine
What is the action of following on proponal?
Hydrazine
Write chemical reactions to convert –COOH group of acetic acid into the following.
CH4
Write reaction for preparation of acetophenone from benzoyl chloride.
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 ____________.
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 ____________.
Which of following elements does not form amide when reacted with ammonia?
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?
Which of the following compounds is obtained when ethanoic anhydride is treated with water?
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 ______.
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?
\[\ce{RCOOH -> RCH2OH}\]
Draw structures 01 conjugate bases of monochloroacetic acid and dichloroacetic acid. Which one is more stabilized by -I effect?
How will you prepare Acetic anhydride from acetic acid?
Which of the following can not be oxidised to give carboxylic acid?
