HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions

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?

Ethyl alcohol

How are the following compound obtained by hydration of alkenes?

Isopropyl 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

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 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.

Depending on the states of solute and solvent there are ______ types of solutions.

The solubility of CH₃Br_(g) in water is 0.0260 mol/dm³ at 0.164 bar partial pressure and at 25°C. Calculate Henry's law constant.

Write the name of the product formed when ethanoyl chloride is treated with dimethyl cadmium.

Write the name of the product formed when ethanoyl chloride is treated with dimethyl cadmium.

Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.