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

Name the process by which water produces hydrogen gas at cathode during electrolysis of aqueous NaCl.

Draw a neat and labelled diagram for electrolysis of fused NaCl.

What is the action of Grignard reagent on benzonitrile?

Draw a well labelled diagram of a conductivity cell. Also write net cell reactions involved in electrolysis of aqueous NaCl.

Write a mathematical formula for mole ratio. How long will it take to produce 2.415g of Ag metal from its salt solution by passing a current of 3A? Molar mass of Ag= 107.9 g mol^-1.

Explain construction, working in terms of cell reactions and the results of electrolysis of fused NaCl.

Write reagent for conversion of alkyl nitrile into aldehyde.

The strongest base amongst the following is

Tertiary amines have lowest boiling points because ________________

Arrange the following compounds in increasing order of their boiling points.

Ethyl alcohol, Ethyl amine, Ethanoic acid, Ethane

Distinguish between methanamine, dimethanamine and trimethanamine using Hinsberg’s reagent.

Write the factors influencing the basicity of amines.

Discuss four points of anomalous behavior of fluorine.

Write the expression to calculate maximum work done when 1 mole of an ideal gas expands isothermally and reversibly from V₁ to V₂.

Nylon 6, 6 is a condensation polymer of hexamethylenediamine and _____________

Write the name of the catalyst used for preparation of high density polythene polymer.

Monomer used for preparation of polyacrylonitrile is _____________

0.022 kg of CO₂ is compressed isothermally and reversibly at 298 K from an initial pressure of 100 kPa when the work obtained is 1200 J, calculate the final pressure.

Monomers ethylene glycol and terephthalic acid undergo condensation polymerization to give polymer called ___________

Monomer of natural rubber is __________