HSC Science (Computer Science) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions

What is esterifications? How is an ester obtained from alcohol or phenol?

Arrange the following compounds in an increasing order of their solubility in water:

Explain the solubility of gases in liquids.

Write Stephen reaction for the preparation of aldehyde.

What is an electrochemical cell? What does it consist of?

What are electrochemical reactions?

How butanone is prepared from alcohol?

Explain the use of different transition metals as catalysts.

Write reactio between Cl₂ and water.

Name the elements that show anomalous behaviour in group 16 and 17.

Maltose is ______.

The solubility of N₂ gas in water at 25° C and 1 bar is 6.85 × 10⁻⁴ mol L⁻¹. Calculate K_H (Henry’s law constant).

Explain the types of electrochemical cells.

How are the following compound obtained by hydration of alkenes?

Ethyl alcohol

How are the following compound obtained by hydration of alkenes?

Isopropyl alcohol

How are the following compound obtained by hydration of alkenes?

tert-butyl alcohol

Explain the reaction of 1° and 2° alcohol with oxidising agent chromic anhydride (CrO₃).

Explain Rosenmund reduction reaction.

Explain the classification of coordination complexes on the basis of charge on the complex.

Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.