HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions for Chemistry

Describe the action of alcoholic potassium hydroxide (alc. KOH) on n-propyl bromide

Describe the action of alcoholic potassium hydroxide (alc. KOH) on isopropyl bromide.

Explain the geometrical isomerism of the octahedral complex of the type [M(AA)₂B₂]^n± with a suitable example.

Define hydrolysis.

Which one of the following salts does not hydrolyse in water?

Draw the structure of oxyacid of sulphur in which the oxidation state of sulphur is + 4.

How is chlorine obtained by oxidation of HCl. Write the reactions using two oxidizing agents.

Construct a cell from Ni2+ | Ni and Cu2+ | Cu Cu half cells. Write the cell reaction and calculate `E_("cell")^0`   
`(E_("Ni")^0 = - 0.236  V and E_("Cu")^0 = + 0.337  V)`

A salt of strong acid and strong base does not undergo hydrolysis. Explain.

Give an example of a salt of weak acid and weak base.

The half-lives of a first-order reaction are 1.19s at 313 K and 15.45s at 293 K. Calculate the energy of activation.

Draw the structure of propanone and indicate its polarity.

The unit of rate constant of zero order reaction is ______.

What are structural isomers?

Explain the ionisation isomers.

Name the two apbroaches used to synthesize nanomaterials.

Define standard electrode potential.

Explain the zero, one and two-dimensional nanoscale system.

Match the pairs in column I (pairs of isomers) and column II (types of isomers)

Draw the geometrical isomers of the following complexes [Co(NH₃)₄Cl₂]⁺