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Preparation of Hydroxy Acids: Malic, Tartaric, and Citric Acid

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Preparation of Hydroxy Acids: Malic, Tartaric, and Citric Acid

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Questions and Answers

What is the product of the oxidation of malic acid with KMnO4?

Oxalacetic acid (correct)

Glyoxal

Succinic acid

Maleic anhydride

Which method of preparation of malic acid involves the use of bromosuccinic acid?

Reduction with HI

Partial reduction of tartaric acid

Treatment with moist silver hydroxide (correct)

Oxidation with KMnO4

What is the product of the reduction of malic acid with HI?

Succinic acid (correct)

Glyoxal

Maleic acid

Tartaric acid

What is the method of preparation of tartaric acid from glyoxal?

Treatment with hydrogen cyanide Signup and view all the answers

What is the product of the dehydration of malic acid on heating?

Maleic anhydride Signup and view all the answers

What is the product of the reaction between tartaric acid and HI?

Malic acid Signup and view all the answers

What is the byproduct of the reaction of citric acid with fuming sulphuric acid at 150°C?

Acetone dicarboxylic acid Signup and view all the answers

What is the result of heating tartaric acid at 150°C?

Formation of tartaric anhydride Signup and view all the answers

What is the product of the reaction of citric acid with hydrogen iodide?

Tricarballylic acid Signup and view all the answers

What is the product of the reaction of citric acid with copper and sodium carbonate?

Benedict Solution Signup and view all the answers