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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
Arrange the following carboxylic acids with increasing order of their acidic strength and justify your answer.
1) 
2) 
3) 
Write the structure of the product formed when carboxylic acid is heated with a dehydrating agent like P2O5
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 chemical reactions to convert –COOH group of acetic acid into the following.
CH3COCl
Explain the acidic nature of carboxylic acids.
Complete the following sequence of reactions and write structures for A, B, C.
\[\ce{Dry ice ->[i. Dry ether][ii. Hydrolysis] A ->[PCl5] B ->[H2(gas)][Pd - BaSO4] C}\]
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)?
Which of following elements does not form amide when reacted with ammonia?
The elimination of CO2 from a carboxylic acid is known as ____________.
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?
Which oxide of nitrogen is obtained on heating ammonium nitrate at 250°C?
How sodium bicarbonate test is used to distinguish between carboxylic acid and phenol?
How will you prepare Acetic anhydride from acetic acid?
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?
Which among the following is the strongest acid?
