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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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Atomic orbitals with comparable energies and proper orientaiton.
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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 ? .

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 O_(2)^(2-) will have .

PRADEEP-CHEMICAL BONDING AND MOLECULAR STRUCTURE-ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS )
  1. How is bond order related to the stability of a molecule ?

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  2. How is bond order related to bond length of a molecular ?

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

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  4. Define the term 'bond order' and find bond order of O(2).

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  5. Use molecular orbital theory to explain why the Be(2) molecules do not...

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  6. Why N(2) is more stable than O(2) ? Explain on the basis of molecular ...

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  7. The bond order in He2^(+) ions is :

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  8. Write which one out of O(2)^(+) and O(2)^(2-) is more stable on the ...

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  9. Indicate which one from O(2)^(+) and O(2)^(2-) may exhibit paramagne...

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  10. Write the molecular orbital configuration of a molecule having bond or...

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  11. Arrange the following molecular species in increasing order of stabili...

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

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  13. Define bonding molecular orbital.

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  14. Define antibonding molecular orbitals .

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  15. How will bond order in N(2) and O(2) be influenced in the following io...

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  16. What is magnetic character of anion of KO(2)?

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  17. How many nodal planes are present in pi (2p(x)) and pi^(**) (2p(x)) mo...

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  18. What are the conditions which must be satisfied for H-bonding to take ...

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  19. Arrange the following as stated. "Increasing strength of hydrogen bo...

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  20. Represent hydrogen bonding between two molecular of (i) acetic acid (C...

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