Find out the most favourable condition for electrovalent bonding.

The sharing of valence electrons between the atoms will lead to the formation of_____

Which compound has planar structure?

H₂O is polar, whereas BeF₂ is not It is because ___________

Which of the following is a polar molecule?

Arrange the following in the decreasing order of Bond angle
C₂H₂, BF₃, CCl₄

Give two examples of molecules undergoing sp³d² hybridisation and predict their shapes.

Draw the Lewis structure of N, C,O and He

Write the resonance structures for N₂O.

Does H₂O and H₂S possess same bond, angle ? Explain

What is covalent bond? Give suitable examples to represent single, double and triple covalent bonds.

Define co-ordinate covalent bond.

Comment on the following statements. .
(i) BF₃ is planar but NH₃ is not.
(ii) SiF₄ and C/O^-₄ are tetrahedral
(iii) HSH bond angle in H₂S is 92° and HOH bond angle in H₂0 is 104.5.

Give reasons for the following:
(i) Covalent bonds are directional while ionic bonds are non-directional.
(ii) Water molecule has bent structure where as CO₂ has linear structure.
(iii) Ethyne molecule is linear

Identify tbe paramagnetic species among following using molecular orbital theory.

Comment and explain your observation obtained from the above graph.

Draw the Lewis dot structure for the following.
(i) SO₃
(ii) NH₃
(iii) CH₄
(iv) N₂O₅

Explain about Kossel-Lewis approach to chemical bonding.

Explain about valence bond theory for the formation of H₂ molecule.