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

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.

Write the chemical reaction when hot copper is treated with Vapours of 2° (secondary) alcohol.

Write chemical reaction when hot copper is treated with Vapours of 3° (tertiary) alcohol.

How acetone is prepared from nitriles using Grignard reagent?

How acetone is prepared from nitriles using Grignard reagent?

Write the reaction of Ethanoyl chloride on diethylamine.

Write the reaction of Ethanoyl chloride on diethylamine.

Explain: Phenols are acid while alcohol is neutral.

What is the action of hydrochloric acid on the following ?

\[\ce{NH3}\]

What is the action of hydrochloric acid on the following ? 

\[\ce{Na2CO3}\]

Convert the following:

acetaldehyde to isopropyl alcohol.

Write the chemical reaction when chlorine reacts with dry slaked lime.

The compounds of \[\ce{Ti^4+}\] ions are colourless due to ______.