HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions

What is the action of the following reagents on ethyl amine?

Chloroform and caustic potash

Write the name of reduction product formed when ethyl cyanide is treated with sodium and alcohol.

Among dimethylamine (pK_b = 3.27) and diethylamine (pK_b = 3.0), which one is more basic?

What is Stephen reaction?

Write preparation of ethyl cyanide from ethyl bromide.

Write a note on Sandmeyer's reaction.

What is the action of benzene diazonium chloride on Aniline

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

Give scientific reasons:

α-Amino acids have high melting points compared to the corresponding amines or carboxylic acids of comparable molecular mass.

Draw a neat diagram for the following:

Haworth formula of maltose

Draw the structure of α-D glucopyranose.

Write industrial application of enzyme catalysis.

Write a chemical reaction to convert glucose into glucose cyanohydrin.

Define α-amino acids.

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 ______.

Draw ring structure of α - D - (+) - glucopyranose.

Write the reaction that indicates the presence of -CHO group in glucose