MEDIUM
Earn 100
Draw a molecular orbital energy diagram of Beryllium diatomic molecule.
Important Questions on Chemical Bonding and Molecular Structure
EASY
Which of the following species is not paramagnetic?
EASY
After understanding the assertion and reason, choose the correct option.
Assertion: In the bonding molecular orbital (MO) of electron density is increased between the nuclei.
Reason: The bonding MO is , which shows destructive interference of the combining electron waves.
HARD
Which of the following options represents the correct bond order?
MEDIUM
The colour of the molecules of group 17 elements changes gradually from yellow to violet down the group. This is due to -
HARD
Decreasing order of stability of and is:
EASY
Which one of the following pairs of species has the same bond order?
MEDIUM
The correct bond order in the following species is:
MEDIUM
According to molecular orbital theory, which of the following molecule will not be available?
EASY
Stability of the species increases in the order of
EASY
Which one of the following molecules is expected to exhibit paramagnetic behaviour?
MEDIUM
Which one of the following properties is not shown by NO ?
MEDIUM
Two pi and half sigma bonds are present in:
MEDIUM
Which of the following has unpaired electron(s)?
EASY
Which of the following is paramagnetic?
MEDIUM
Which one of the following molecules is paramagnetic?
HARD
Among the following molecules/ ions,
Which one is diamagnetic and has the shortest bond length?
HARD
Assuming mixing is NOT operative, the paramagnetic species among the following is
MEDIUM
In which of the following pairs of molecules/ions, both the species are not likely to exist?
HARD
In which of the following processes, the bond order has increased and paramagnetic character has changed to diamagnetic?
HARD
According to Molecular Orbital Theory,
