Advertisements
Advertisements
प्रश्न
Write the reducing agent which CANNOT reduce –COOH group.
Advertisements
उत्तर
Sodium borohydride (NaBH4) does not reduce –COOH group.
APPEARS IN
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 ______.
Write the structure of the product formed when carboxylic acid is heated with a dehydrating agent like P2O5
Write reactions for the following conversions.
4-Nitrobenzoic acid to Nitrobenzene
Write chemical reactions to convert –COOH group of acetic acid into the following.
CH4
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.
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 ______.
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 ______.
What amount of dinitrogen contains 3.6 × 1018 molecules?
The oxidation number of B in NaBH4 is ____________.
Which of the following functional groups is reduced by diborane?
The number of bonding pairs and lone pairs of electrons present in the central atom of ammonia molecular are respectively.
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?
