Molecular orbital which have higher energy than atomic orbitals is called___________________?
A. Bonding molecular orbital
B. Antibonding molecular orbital
C. Hybrid orbital
D. Super atomic orbital
Chemistry MCQs
Bond order for N2 molecule is __________________?
A. 2
B. 1
C. 3
D. 4
Unit of dipole moment is_________________?
A. Debye
B. Poise
C. Pascal
D. Newton
The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?
A. Ionization energy
B. Electron affinity
C. Electro negativity
D. None of the above
Which of the solid does not contain covalent bond________________?
A. Copper
B. Ice
C. Diamond
D. Graphite
Shielding effect across the period ________________?
A. Increases
B. Decreases
C. Constant
D. None
Which one has maximum number of unpaired electrons ?
A. 6X
B. 7Y
C. 9Z
D. 13W
Molecular orbitals are filled according to _________________?
A. Auf bau principle
B. Hunds rule
C. Paulis Exclusion principle
D. All these
Which one shows high %age of the ionic character ?
A. H2O
B. HF
C. HCI
D. HBr
