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 following will have highest value of electron affinity_________________?
A. F B. Cl C. Br D. I
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