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Chapter 3: 49E (page 88)

Malic acid, C4H6O5, has been isolated from apples. Because this compound reacts with 2 molar equivalents of base, it is a dicarboxylic acid .

a) Draw at least 5 possible structures

b) If malic acid is secondary alcohol what is its structure?

Short Answer

Expert verified

a) The 5 structures of malic acid correspond to, diglycolic acid,2-hydroxy-2-methyl propane dioic acid, L-Malic acid, D-Malic acid and dimethyl-dicarbonate

b) The structure will then correspond to 2-hydroxy butane dioic acid.

Step by step solution

01

Malic acid

Malic acid is a substance that is obtained from fruits and wines. The molecular formulaC4H6O5 is and its chemical name is 2-hydroxy butane dioic acid.it is used as a medicine. People use it in treatment of fibromyalgia, for tiredness. In food, malic acid is used as a flavouring agent while in manufacturing it is used to balance the acidity of cosmetics.

02

Step 2:Structures possible

03

Structures if malic acid is secondary alcohol

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