MEDIUM
12th Maharashtra Board
IMPORTANT
Earn 100

Is galactose an aldohexose or a ketohexose?

Important Questions on Biomolecules

MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 14 - Biomolecules>Use your brain Power>Q •
Which carbon in galactose has different configuration compared to glucose?
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 14 - Biomolecules>Use your brain Power>Q •
Draw Haworth formulae of ∝-D-galactose and β-D-galactose.
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 14 - Biomolecules>Use your brain Power>Q •
Which disaccharides among sucrose, maltose and lactose is/are expected to give positive Fehling test?
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 14 - Biomolecules>Use your brain Power>Q •
What are the expected products of hydrolysis of lactose?
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 14 - Biomolecules>Can you recall ?>Q •
What is the product of reaction of acetic acid with ammonia?
EASY
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 14 - Biomolecules>Can you recall ?>Q •
Write the structural formula of N-methyl acetamide. What is the name of the functional group in this compound?
EASY
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 14 - Biomolecules>Can you recall ?>Q •
What are the nitrogenous nutrients in human diet?
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 14 - Biomolecules>Use your brain Power

Tryptophan and histidine have the structures I and II respectively. Classify them into neutral/acidic/basic ∝-amino acids and justify your answer. (Hint: Consider involvement of lone pair in resonance).

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