Linear Combination of Atomic Orbitals

Q. How to calculate the bond order for polyatomic species

Q. 85. Do all of the atomic orbitals participate in the formation of molecular orbitals?

Q. atomic orbitals involved in hybridisation SF6 molecule i

Q.

Which one of the following statement regarding molecular orbital is incorrect

1. The energy of anti bonding MO is less than the combining atomic orbital and it stabilizes the molecule

2. The energy of bonding MO is less than the combining atomic orbital and it stabilizes the molecule

3. The increase in energy of anti bonding MO is same the decrease in energy of bonding MO

4. Bonding MO is formed by the addition of wave functions

Q.

Which of the following is incorrect for Bonding Molecular Orbitals?

Q. incorrect statement about MOs is a)bonding MOs possesses less energy than the atomic orbitals from where they are formed b)bonding MOs have low electron density between 2 nuclei c)electrons in bonding MO\:contributes to the attraction between atoms d)they are formed when lobes of combining atomic orbitals have same sign

Q.

what is the difference between molecular orbitals and atomic orbitals?

Q. A square planar complex is formed by hybridization of which atomic orbitals

Q.

What is meant by hybridisation of atomic orbitals? Describe the shapes of sp, sp², sp³ hybrid orbitals.

Q. 47.Delocalised molecular orbital are found in A)H_2 B)HS^- C)CH_4 D)CO_3^{2-

Q.

How many maximum electrons can be filled in ${\sigma }^{\ast }3p_z$ orbital?

1. 3

2. 6

3. 2

4. 1

Q. In a homonuclear molecule, which of the following sets of orbitals is degenerate? (assume Z-axis to be the internuclear axis)

1. ${\sigma }_{2p_z}$ and ${\sigma }_{2s}$
2. ${\pi }_{2p_x}$ and ${\pi }_{2p_y}$
3. ${\pi }_{2p_x}$ and ${\pi }_{2p_z}$
4. ${\sigma }_{2p_z}$ and ${\pi }_{2p_z}$

Q.

what are pπ − pπ , dπ − pπ and dπ − dπ bonds?

Q.

When two atomic orbitals combine they form

1. Three molecular orbital

2. One molecular orbital

3. Two molecular orbital

4. Four molecular orbital

Q. 34.Calculate the %p character in the orbital occupied by the lone pairs in water molecule. [Given: angle HOH = 104.5^° ; cos 104.5^° = -0.25] 1)80% 2)20% 3)70% 4)75%

Q.

Which of the following will result in Anti-bonding Molecular Orbitals?

1. a, b

2. b, c

3. c, d

4. d, a

Q.

Write the important conditions required for the linear combination of atomic orbitals to form molecular orbitals.