Question

According to VBT, the formation of a stable bond requires
a) the electrons should have opposite spins.
b) the two atoms should be close to each other.
c) the greater overlapping of the electron clouds
d) all of the mentioned​

Answer 1

Answer:

option b

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Answer 2

According to VBT, the formation of a stable bond should have opposite spins, atoms should be close to each other, overlapping of the electron clouds so the option (D) is the correct one.

• Valence Bond's theory is based on quantum mechanics. It expresses that the covalent bonds are established by the overlapping of valence shell atomic orbitals of the two atoms having unpaired electrons. The importance of overlap is a conclusive factor of the covalent bond stability. The more they overlap, the stronger is the bond formed. It clarifies the shape, hybridisation and directional properties of bonds in polyatomic molecules.