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

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]⁺

How is glucose prepared on commercial scale?