HSC Science इयत्ता १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Chemistry

\[\ce{Glucose ->[(HCN)] Product ->[(hydrolysis)] Product ->[(HI + Heat)] A}\], the compound A is:

Assertion: A solution of sucrose in water is dextrorotatory. But on hydrolysis in the presence of little hydrochloric acid, it becomes levorotatory.

Reason: Sucrose hydrolysis gives equal amounts of glucose and fructose. As a result of this change in sign of rotation is observed.

The number of sp² and sp³ hybridised carbon in fructose are respectively ____________.

Complete hydrolysis of cellulose gives ____________.

Glucose is an aldose. Which one of the following reactions is not expected with glucose?

α-D (+) Glucose and β-D (+) glucose are ____________.

Which of the following are epimers?

What are reducing and non-reducing sugars?

Why carbohydrates are generally optically active?

Classify the following into monosaccharides, oligosaccharides and polysaccharides.

Starch

Classify the following into monosaccharides, oligosaccharides and polysaccharides.

Fructose

Classify the following into monosaccharides, oligosaccharides and polysaccharides.

Sucrose

Classify the following into monosaccharides, oligosaccharides and polysaccharides.

Lactose

Classify the following into monosaccharides, oligosaccharides and polysaccharides.

Maltose

Write the structure of α-D (+) glucopyranose.

Is the following sugar, D-sugar or L-sugar?

Which of the following is an analgesic?

Antiseptics and disinfectants either kill or prevent growth of microorganisms. Identify which of the following statement is not true.

Drugs that bind to the receptor site and inhibit its natural function are called _____________.

Aspirin is a/an ____________.