Molecular Orbital Energy Diagrams
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Reason : Electrons are removed from the antibonding molecular orbital from H2.
- Assertion is true and reason is incorrect explanation for assertion
- Assertion is false and reason is incorrect explanation for assertion
- Assertion is true and reason is correct explanation for assertion
- Assertion is false and reason is correct explanation for assertion
- 2.5 and 3
- 2 and 4
- 3.5 and 2.5
- 4 and 2
- π2px=π2py<σ2pz<π∗2px=π∗2py<σ∗2pz
- σ2pz<π2px=π2py<π∗2px=π∗2py<σ∗2pz
- σ2pz=π2px=π2py<π∗2px=π∗2py<σ∗2pz
- π2px<π2py=σ2pz>π∗2py<π∗2pz=σ∗2pz
- 6
- 8
- 4
- 2
- O2+2
- O2−2
- F2
- H−2
Select the correct statement for non-bonding and anti-bonding orbitals:
Non - bonding orbitals have same energy as that of the atomic orbitals from which they are formed.
Anti - bonding orbitals have higher energy than the atomic orbitals from which they are formed
Non - bonding orbital have higher energy than the atomic orbitals from which they are formed
Anti - bonding orbital have lower energy than the atomic orbitals from which they are formed
- 3
- 2
- (b) and (c) above.
- 1
- NO<O−2<C2−2<He2+2
- O−2<NO<C2−2<He2+2
- C2−2<He2+2<O−2<NO
- He2+2<O−2<NO<C2−2
Select which of the option is incorrect using following diagrams:
(Take z axis as inter-nuclear axis)
a, b
b, c
c, d
d, a
- (σ1s)2
- (σ1s)2(σx1s)2
- (σ1s)3
- None of the above
S1 : Bond order of O−2 is more than O+2
S2 : NO+ is more stable than N+2
S3 : C2 is more stable than C+2
State, in order, whether S1, S2, S3 are true or false ?
- FFT
- TTT
- TFT
- FTT
CN+, CN−, NO and CN
Which one of these will have the highest bond order?
(NEET 2018)
- O2+2
- O2−2
- F2
- H−2
Using MOT, predict which of the following species has the shortest bond length ?
- O+2
- O−2
- O2−2
- O2+2
- π2px=π2py<σ2pz<π∗2px=π∗2py<σ∗2pz
- σ2pz<π2px=π2py<π∗2px=π∗2py<σ∗2pz
- σ2pz=π2px=π2py<π∗2px=π∗2py<σ∗2pz
- π2px<π2py=σ2pz>π∗2py<π∗2pz=σ∗2pz
Assuming that Hund’s rule is violated, the bond order and magnetic nature of the diatomic molecule B2 is :
- 1 and diamagnetic
0 and diamagnetic
1 and paramagnetic
0 and paramagnetic
- For O2 to Ne2
- For H2 to N2
- For H2 to Ne2
- For N2 to Ne2