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Biomolecules

Question
CBSEENCH12010695
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Which of the following compounds can be detected by Molisch’s test?

  • Nitro compounds

  • Sugars

  • Amines

  • Primary alcohols

Solution

B.

Sugars

Molisch’s Test: when a drop or two of the alcoholic solution of α–naphthol is added to sugar solution and then conc. H2SO4 is added along the sides of the test tube, the formation of violet ring takes place at the junction of two liquids.

Some More Questions From Biomolecules Chapter

Why cannot vitamin C be stored in our body?

What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?

When RNA is hydrolysed, there is no relationship among the quantities of different bases obtained. What does this fact suggest about the structure of RNA?

What is a biomoiecule?

Define carbohydrates.

Give one example each of (i) Reducing sugar and (ii) Non-reducing sugar.

Name the anomers of glucose.

State two characteristics of monosaccharides.

Name a carbohydrate containing five carbon atoms per molecule.

Name the monomers of starch.

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