HSC Science (Electronics) इयत्ता ११ वी - Maharashtra State Board Question Bank Solutions

Draw shapes of 2p orbitals.

Explain in brief, the significance of the azimuthal quantum number.

If n = 3, what are the quantum number l and m?

The electronic configuration of oxygen is written as 1s² 2s² \[\ce{2p^2_{{x}}}\] \[\ce{2p^1_{{y}}}\] \[\ce{2p^1_{{z}}}\] and not as 1s² 2s² \[\ce{2p^2_{{x}}}\], \[\ce{2p^2_{{y}}}\] \[\ce{2p^0_{{z}}}\], Explain.

Write a note on ‘Principal Quantum number.

Using the concept of quantum numbers, calculate the maximum numbers of electrons present in the ‘M’ shell. Give their distribution in shells, subshells, and orbitals.

Indicate the number of unpaired electrons in \[\ce{Si}\] (Z = 14).

Indicate the number of unpaired electron in:

Cr (Z = 24)

Choose the correct option.

Colourless components on chromatogram can not be observed by the following:

Give names of two materials used as stationary phase in chromatography.

Define the Stationary phase.

Name the different types of Chromatography and explain the principles underlying them.

How do you visualize colourless compounds after separation in TLC and Paper Chromatography?

Label the diagram and explain the process in your words.

Compare TLC and Paper Chromatography techniques.

Define the term Inhibition.

Define the term Catalysis.

Mention various applications of equilibrium constant.

Identify nuclear fusion reaction.

Choose the correct option.

The process by which nuclei having low masses are united to form nuclei with large masses is ______.