HSC Science (Electronics) 12th Standard Board Exam - Maharashtra State Board Important Questions

What is the action of following reagents on glucose?

bromine water

What is the action of following reagents on glucose?

dilute HNO₃

What is the action of following reagents on glucose?

hydroxyl amine

Stachyose is an example of _______.

(A) monosaccharides

(B) disaccharides

(C) trisaccharides

(D) tetrasaccharides

Enlist the properties of glucose that can not be explained on the basis of open chain structure of it

The number of primary and secondary hydroxyl groups in ribose are -

(a) 1, 3

(b) 2, 3

(c) 3, 1

(d) 3, 2

Write the formula of the complex copper (II) hexacyanoferrate (II).

How is glucose prepared by commercial method? How is peptide linkage formed?

Fill in the blanks by choosing the appropriate word/words from those given in the brackets:  

(iodoform, acetaldehyde, positive, greater, acidic, acetone, disaccharide, negative, increases, glucose, decreases, chloroform, polysaccharide, lactose, lesser, basic, cationic hydrolysis, anionic hydrolysis)

Sucrose is a _________ and yields upon hydrolysis, a mixture of ________ and fructose.

\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.

Draw a neat diagram for the following:

Haworth formula of maltose

Draw the structure of α-D glucopyranose.

Write a chemical reaction to convert glucose into glucose cyanohydrin.

Write a commercial method for preparation of glucose.

The molecule of glucose is also called ______.

The glycosidic linkage present in maltose is ______.

The linkage present in Lactose is ______.

How are proteins classified on the basis of molecular shapes?

How is tripeptide formed?

Discuss the optical activity of lactic acid.