Mucic Acid Test Quiz

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Questions and Answers

What is the objective of the Mucic acid test?

To detect the presence of galactose and lactose in a given sample. (correct)
To observe the formation of crystals at various time points.
To differentiate reducing sugars from non-reducing sugars.
To detect the presence of sucrose in a given sample.

What is the purpose of the Osazone Test?

To distinguish between the galactose containing saccharides and other sugars.
To detect reducing sugars. (correct)
To observe the formation of crystals at various time points.
To detect the presence of sucrose in a given sample.

What is the chemical reaction involved in the Mucic acid test?

$CH2OH-(CHOH)4-CHO + H+ \rightarrow CHO-NO3 + HNO3$
$CHO-NO3 + H+ \rightarrow CH2OH-(CHOH)4-CHO + HNO3$
$CH2OH-(CHOH)4-CHO + HNO3 \rightarrow CHO-NO3 + H+ \rightarrow CH2OH-(CHOH)4-$ (correct)
$HNO3 + CHO-NO3 \rightarrow CH2OH-(CHOH)4-CHO + H+$

What should be added to the test solution in the Osazone Test?

<p>3 drubs of phenylhydrazine and five drops of glacial acetic acid (D)</p> Signup and view all the answers

What is the purpose of heating the test tubes in the Mucic acid test?

<p>To reduce the volume of the solution to 2-3 ml (B)</p> Signup and view all the answers

Study Notes

Carbohydrate Tests

The Mucic acid test is used to detect the presence of mucic acid, a compound derived from galactose and glucose, in a given substance.

Osazone Test

The Osazone Test is used to identify and distinguish between different carbohydrates, such as glucose, fructose, and lactose.

Mucic acid test Reaction

The chemical reaction involved in the Mucic acid test is the oxidation of mucic acid to produce a coloured precipitate of mucic acid crystals.

Osazone Test Reagents

Phenylhydrazine is added to the test solution in the Osazone Test to facilitate the formation of osazones, which are insoluble crystalline compounds.

Mucic acid test Procedure

Heating the test tubes in the Mucic acid test is necessary to facilitate the oxidation reaction and promote the formation of mucic acid crystals.

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Description

Test your knowledge of carbohydrate reactions with this quiz on the Mucic Acid Test. Explore the formation of crystalline derivatives and the objectives of the test, including the detection of galactose and lactose in samples. Delve into the oxidation reaction and distinguish between different types of saccharides.