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

Draw Lewis dot diagram for the following.

Hydrogen (H₂)

Draw Lewis dot diagram for the following.

Water (H₂O)

Draw Lewis dot diagram for the following.

Carbon dioxide (CO₂)

Draw Lewis dot diagram for the following.

Methane (CH₄)

Draw Lewis dot diagram for the following.

Lifthium Fluoride (LiF)

Draw Lewis electron dot structure of HF

Draw Lewis electron dot structure of C₂H₆

Draw Lewis electron dot structure of C₂H₄

Draw Lewis electron dot structure of CF₃Cl

Draw Lewis electron dot structure of SO₂

Explain in brief with one example of an ionic bond.

Explain in brief with one example of a covalent bond

Explain in brief with one example of coordinate bond

Answer in one sentence:

Covalent bond is directional in nature. Justify.

Answer in one sentence:

Name type of adsorption in which vander Waals focres are present.

Answer in one sentence:

Name type of adsorption in which the compound is formed.

Choose the correct option.

For the following redox reactions, find the correct statement.

\[\ce{Sn^{2⊕} + 2Fe^{3⊕}->Sn^{4⊕} + 2Fe^{2⊕}}\]

On the basis of even-odd of protons and neutrons, what type of nuclides is most stable?

The nuclides with odd number of both protons and neutrons are the least stable. Why?

Referring the stability belt of stable nuclides, which nuclides are β^– and β⁺ emitters? Why?