Explain the reaction which indicates the presence of ketonic group in fructose.

What are amino add? Explain essential and non-essential amino acids.

Write the product formed when HCN reacts with glucose.

Write a reaction that indicates the presence of an aldehyde group in glucose.

Complete the following reaction.
(i) Glucose + acetic anhydride ➝ _______?_______
(ii) What does the above reaction suggest?

Give the structure of α - D - glucose and β- D - glucose

Give example of epimers.

Draw the structure of α -D fructose furanose and β - D fructose furanose.

Justify the presence of keto group in C₂ in fructose.

Why sucrose is called invert sugar?

Give the structure of lactose and show it is a reducing sugar.

ExpIain the classification of proteins based on their structure.

Distinguish between fat soluble and water soluble vitamins.

What are carbohydrates? Give two examples.

Amino acids are amphoteric in nature. Explain.