(a)
Interpretation:
The IUPAC name of reaction products when ethyl pentanoate undergoes ester hydrolysis under acidic conditions has to be written.
Concept Introduction:
Breaking of the carbon‑oxygen single bond present between the “acid part” and “alcohol part” is one of the important reactions of ester. This process of breaking the bond between the carbon‑oxygen is known as ester hydrolysis or saponification. The condition prevails in the reaction determines it as ester hydrolysis of saponification.
Ester hydrolysis takes place in ester when it is treated with strong acid or enzymes as catalyst. Reverse of esterification reaction is the ester hydrolysis.
Saponification is the reaction that ester undergoes when a strong base is used to give the product as
(a)
Answer to Problem 5.130EP
The IUPAC names of the products obtained are,
Explanation of Solution
Given name of ester is ethyl pentanoate. The structure of ethyl pentanoate can be given as,
Under acidic conditions, esters undergo hydrolysis resulting in breakage of the carbon‑oxygen single bond that is present between the “acid part” and “alcohol part”. The product that is obtained on ester hydrolysis in acidic conditions is carboxylic acid and an alcohol. The complete reaction and the structure of the product obtained can be written as shown below,
The IUPAC names of the product obtained can be given using
IUPAC names of the products obtained when ethyl pentanoate undergoes hydrolysis under acidic condition are written.
(b)
Interpretation:
The IUPAC name of reaction products when ethyl methanoate undergoes ester hydrolysis under acidic conditions has to be written.
Concept Introduction:
Breaking of the carbon‑oxygen single bond present between the “acid part” and “alcohol part” is one of the important reactions of ester. This process of breaking the bond between the carbon‑oxygen is known as ester hydrolysis or saponification. The condition prevails in the reaction determines it as ester hydrolysis of saponification.
Ester hydrolysis takes place in ester when it is treated with strong acid or enzymes as catalyst. Reverse of esterification reaction is the ester hydrolysis.
Saponification is the reaction that ester undergoes when a strong base is used to give the product as carboxylic acid salt and alcohol.
(b)
Answer to Problem 5.130EP
The structural formula and IUPAC names of the products obtained are,
Explanation of Solution
Given name of ester is ethyl methanoate. The structure of ethyl methanoate can be given as,
Under acidic conditions, esters undergo hydrolysis resulting in breakage of the carbon‑oxygen single bond that is present between the “acid part” and “alcohol part”. The product that is obtained on ester hydrolysis in acidic conditions is carboxylic acid and an alcohol. The complete reaction and the structure of the product obtained can be written as shown below,
The IUPAC names of the product obtained can be given using IUPAC nomenclature of naming the compounds. The IUPAC names and the structure of the product obtained are,
IUPAC names of the products obtained when ethyl methanoate undergoes hydrolysis under acidic condition are written.
(c)
Interpretation:
The IUPAC name of reaction products when isopropyl pentanoate undergoes ester hydrolysis under acidic conditions has to be written.
Concept Introduction:
Breaking of the carbon‑oxygen single bond present between the “acid part” and “alcohol part” is one of the important reactions of ester. This process of breaking the bond between the carbon‑oxygen is known as ester hydrolysis or saponification. The condition prevails in the reaction determines it as ester hydrolysis of saponification.
Ester hydrolysis takes place in ester when it is treated with strong acid or enzymes as catalyst. Reverse of esterification reaction is the ester hydrolysis.
Saponification is the reaction that ester undergoes when a strong base is used to give the product as carboxylic acid salt and alcohol.
(c)
Answer to Problem 5.130EP
The structural formula and IUPAC names of the products obtained are,
Explanation of Solution
Given name of ester is isopropyl pentanoate. The structure of isopropyl pentanoate can be given as,
Under acidic conditions, esters undergo hydrolysis resulting in breakage of the carbon‑oxygen single bond that is present between the “acid part” and “alcohol part”. The product that is obtained on ester hydrolysis in acidic conditions is carboxylic acid and an alcohol. The complete reaction and the structure of the product obtained can be written as shown below,
The IUPAC names of the product obtained can be given using IUPAC nomenclature of naming the compounds. The IUPAC names and the structure of the product obtained are,
IUPAC names of the products obtained when isopropyl pentanoate undergoes hydrolysis under acidic condition are written.
(d)
Interpretation:
The IUPAC name of reaction products when isopropyl methanoate undergoes ester hydrolysis under acidic conditions has to be written.
Concept Introduction:
Breaking of the carbon‑oxygen single bond present between the “acid part” and “alcohol part” is one of the important reactions of ester. This process of breaking the bond between the carbon‑oxygen is known as ester hydrolysis or saponification. The condition prevails in the reaction determines it as ester hydrolysis of saponification.
Ester hydrolysis takes place in ester when it is treated with strong acid or enzymes as catalyst. Reverse of esterification reaction is the ester hydrolysis.
Saponification is the reaction that ester undergoes when a strong base is used to give the product as carboxylic acid salt and alcohol.
(d)
Answer to Problem 5.130EP
The structural formula and IUPAC names of the products obtained are,
Explanation of Solution
Given name of ester is isopropyl methanoate. The structure of isopropyl methanoate can be given as,
Under acidic conditions, esters undergo hydrolysis resulting in breakage of the carbon‑oxygen single bond that is present between the “acid part” and “alcohol part”. The product that is obtained on ester hydrolysis in acidic conditions is carboxylic acid and an alcohol. The complete reaction and the structure of the product obtained can be written as shown below,
The IUPAC names of the product obtained can be given using IUPAC nomenclature of naming the compounds. The IUPAC names and the structure of the product obtained are,
IUPAC names of the products obtained when isopropyl methanoate undergoes hydrolysis under acidic condition are written.
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Chapter 5 Solutions
EBK ORGANIC AND BIOLOGICAL CHEMISTRY
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