Chapter 2 Molecular Orbital Theory

BMO is formed due to

• Constructive Interference

• Destructive Interference

• Different sign of wave function

• Both 2 & 3

Which sub shell has more stability????

• 3d

• 4p

• 5s

• 4d

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Bond order describes

• A. no.of bonds formed between two atoms

• B. magnetic behaviour of the molecule

• C. Size of the molecule

• D. quantum number

Bond order=_____________________

• A. No. of antibonding electron-No. of bonding electron/2

• B. No. of bonding electron-No. of antibonding electron/2

Molecule which have one or more than one unpaired electrons in their molecular electronic configuration are ____________

• A. Diamagnetic

• B. Paramagnetic

Para magnetic or diamagnetic?

• A. Paramagnetic

• B.. Diamagnetic

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Can you predict the molecule? Justify your answer

• A. N₂

• B. F₂

• C. O₂

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what is the bond order in N₂

• 1

• 2

• 3

• 4

How covalent bond is formed ?

• by overlapping of molecular orbitals

• by overlapping of atoms with equal energy

• by overlapping of atomic orbitals

• by simple method of exchange of electrons

What forms when two atoms combine?

• A molecule.
• A nucleus.
• A proton.
• An electron.

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