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Which type of atomic orbitals can overla...

Which type of atomic orbitals can overlap to from molecular orbitals ?

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Molecular orbitals are formed by the overlap of atomic orbitals. The combining orbitals must have proper orientation so that they can overlap to a considerable extent. Two atomic orbitals combine to form two molecular orbitals called bonding molecular orbital and antibonding molecular orbital. Bonding molecular orbital is stable and antibonding molecular orbital is unstable. sigma MO is formed by head on overlap while pi MO is formed by sidewise overlap. The MOs are filled with electrons according to the same rules as followed for filling atomic orbitats. Bond order is one of the most important parameter to compare the bond strength and bond length of bonds. Why has N_2 a larger dissociation energy than N_2 ^(+) whereas O_2 has a lower dissociation energy than O_(2)^(+) ?

Molecular orbitals are formed by the overlap of atomic orbitals. Two atomic orbitals combine to form two molecular orbitals called bonding and antibonding MO s . The molecular orbitals are filled with electrons following the same rules as followed for filling of atomic orbitals. The molecular orbitals electronic configurations help us to calculate bond order when which give important information about bond strength and bond length. Which has smaller bond length No or NO^(+) ?

Molecular orbitals are formed by the overlap of atomic orbitals. Two atomic orbitals combine to form two molecular orbitals called bonding and antibonding MO s . The molecular orbitals are filled with electrons following the same rules as followed for filling of atomic orbitals. The molecular orbitals electronic configurations help us to calculate bond order when which give important information about bond strength and bond length. Which out oof O_(2)^(+) and O_(2)^(-) is more stable?

Molecular orbitals are formed by the overlap of atomic orbitals. Two atomic orbitals combine to form two molecular orbitals called bonding and antibonding MO s . The molecular orbitals are filled with electrons following the same rules as followed for filling of atomic orbitals. The molecular orbitals electronic configurations help us to calculate bond order when which give important information about bond strength and bond length. Why does Be_(2) molecule not exist?

Molecular orbitals are formed by the overlap of atomic orbitals. Two atomic orbitals combine to form two molecular orbitals called bonding and antibonding MO s . The molecular orbitals are filled with electrons following the same rules as followed for filling of atomic orbitals. The molecular orbitals electronic configurations help us to calculate bond order when which give important information about bond strength and bond length. Why are H_(2)^(+) ions more stable than H_(2)^(-) ions, though they have the same bond order?

According to the moleular orbital theory, all atomic orbitals combine to form molecular orbital by LCAO (linear combination of atomic orbitals) method When two atomic orbitals have additive (constructive) method When two atomic orbitals have additive (constructive) overlapping they form bonding molecular orbitals (BMO) which have lower energy than atomic orbitals whereas when atomic orbitals overlap subtractive higher energy antibonding molecular orbitals (ABMO) are formed Each MO occupies two electrons with opposite spin Distribution of electrons in MO follows Aufbau principle as well as Hund's rule MO theory can successfully explain the magnetic behaviour of molecules Which of the following is/are not paramagnetic ? .

DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE -COVALENT AND CO-ORDINATE BONDS
  1. Can a stable molecule have zero bond order ? Justify your answer.

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  2. How will you differentiate between bonding and anti bonding molecular ...

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  3. What are bonding and antibonding molecular arbitals ? Define bond orde...

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  4. How will your differentiate between atomic and molecular orbitals ?

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  5. Which out of two O(2)^(2+)and O(2)^(2+) has higher bond order and why ...

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  6. How is bonding molecular orbital of hydrogen different from the antibo...

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  7. How is bond length related to the stability of a molecule ?

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  8. Which type of atomic orbitals can overlap to from molecular orbitals ?

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  9. Which our of O(2)^(+)and O(2)^(-) is more stable on the basis of bond ...

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  10. What are bonding and antibonding molecular arbitals ? Define bond orde...

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  11. Write the MO electron distribution of O(2).Specify its bond order and ...

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  12. Draw the energy level diagram of H(2)^(+) ion and discuss its stabilit...

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  13. How does the bond length very in dicarbon species C(2),C(2)^(-),C(2)...

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  14. Calculate the bond order of O(2)^(-)and O(2)^(2-) ions on the basis of...

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  15. Describe mathamatically the formation of molecular orbitals in nomonuc...

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  16. Compare the relative stabilities of O(2) and O(2)^(2-) an indicate the...

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  17. (a) What is linear combination of atomic orbitals ? (b) llustrate bo...

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  18. (a) Which of these have higher bond dissociation energy and why ? (i) ...

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  19. Compare the relative stiabilities of O(2)^(2-)and N(2)^(2-) and commen...

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  20. Draw the energy diaagram of O(2) molecule. Find bond order and siscuss...

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