
Concept explainers
Draw the product formed when pentanoic anhydride
a.
b.

(a)
Interpretation:
The product formed by the treatment of pentanoic anhydride
Concept introduction:
The replacement or substitution of one functional group with another functional group in any chemical reaction is termed as substitution reaction. The electron rich chemical species that contains negative charge or lone pair of electrons is known as a nucleophile. In nucleophilic acyl substitution reaction, a nucleophile takes the position of a leaving group.
Answer to Problem 22.46P
No product is formed by the treatment of pentanoic anhydride with
Explanation of Solution
Acid anhydride do not undergo reaction with
Figure 1
No product is formed by the treatment of pentanoic anhydride with

(b)
Interpretation:
The product formed by the treatment of pentanoic anhydride
Concept introduction:
The replacement or substitution of one functional group with another functional group in any chemical reaction is termed as substitution reaction. The electron rich chemical species that contains negative charge or lone pair of electrons is known as a nucleophile. In nucleophilic acyl substitution reaction, a nucleophile takes the position of a leaving group.
Answer to Problem 22.46P
The product formed by the treatment of pentanoic anhydride
Explanation of Solution
Acid anhydride undergoes hydrolysis on treatment with
Figure 2
The product formed by the treatment of pentanoic anhydride

(c)
Interpretation:
The product formed by the treatment of pentanoic anhydride
Concept introduction:
The replacement or substitution of one functional group with another functional group in any chemical reaction is termed as substitution reaction. The electron rich chemical species that contains negative charge or lone pair of electrons is known as a nucleophile. In nucleophilic acyl substitution reaction, a nucleophile takes the position of a leaving group.
Answer to Problem 22.46P
The product formed by the treatment of pentanoic anhydride
Explanation of Solution
Acid anhydride on reaction with alcohol gives one mole of ester and one mole of carboxylic acid. Methyl pentanoate and pentanoic acid are formed when pentanoic anhydride is treated with methanol as shown in Figure 3.
Figure 3
The product formed by the treatment of pentanoic anhydride

(d)
Interpretation:
The product formed by the treatment of pentanoic anhydride
Concept introduction:
The replacement or substitution of one functional group with another functional group in any chemical reaction is termed as substitution reaction. The electron rich chemical species that contains negative charge or lone pair of electrons is known as a nucleophile. In nucleophilic acyl substitution reaction, a nucleophile takes the position of a leaving group.
Answer to Problem 22.46P
No product is formed by the treatment of pentanoic anhydride with
Explanation of Solution
Acid anhydride do not undergo reaction with
Figure 4
No product is formed by the treatment of pentanoic anhydride with

(e)
Interpretation:
The product formed by the treatment of pentanoic anhydride
Concept introduction:
The replacement or substitution of one functional group with another functional group in any chemical reaction is termed as substitution reaction. The electron rich chemical species that contains negative charge or lone pair of electrons is known as a nucleophile. In nucleophilic acyl substitution reaction, a nucleophile takes the position of a leaving group.
Answer to Problem 22.46P
The product formed by the treatment of pentanoic anhydride
Explanation of Solution
The reaction of acid anhydride with secondary amine leads to the formation of amide. The nitrogen atom of
Figure 5
The product formed by the treatment of pentanoic anhydride

(f)
Interpretation:
The product formed by the treatment of pentanoic anhydride
Concept introduction:
The replacement or substitution of one functional group with another functional group in any chemical reaction is termed as substitution reaction. The electron rich chemical species that contains negative charge or lone pair of electrons is known as a nucleophile. In nucleophilic acyl substitution reaction, a nucleophile takes the position of a leaving group.
Answer to Problem 22.46P
The product formed by the treatment of pentanoic anhydride
Explanation of Solution
The reaction of acid anhydride with primary amine leads to the formation of amide. The nitrogen atom of
Figure 6
The product formed by the treatment of pentanoic anhydride
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