Comparision of Valence Bond Theory and Molecular Orbital Theory
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313779 While filling electrons in \({\rm{\pi }}\,\,{\rm{2}}\,\,{\rm{p}}\,{\,_{\rm{x}}}\,\,{\rm{and}}\,\,{\rm{\pi }}\,\,{\rm{2}}\,\,{{\rm{p}}_{\,\,{\rm{y}}}}\) the electronic configuration rules that have to be followed is

1 Pauli’s exclusion principle
2 Aufbau principle
3 Both Pauli’s and Hund’s rule
4 All the above
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313780 Statement A :
The total energy of two molecular orbitals, however, remains the same as that of two original atomic orbitals.
Statement B :
The energy of the antibonding orbital is raised above the energy of the parent atomic orbitals that have combined and the energy of the bonding orbital has been lowered than the parent orbitals.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313781 Maximum number of electrons that can be present in any molecular orbital is

1 3
2 6
3 8
4 2
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313782 The wavelength of the wave function of a bonding molecular orbital formed by LCAO is

1 Equal to the wave function of atomic orbital
2 Less than the wave function of atomic orbital
3 Greater than the wave function of atomic orbital
4 Double the wave function of atomic orbital
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313779 While filling electrons in \({\rm{\pi }}\,\,{\rm{2}}\,\,{\rm{p}}\,{\,_{\rm{x}}}\,\,{\rm{and}}\,\,{\rm{\pi }}\,\,{\rm{2}}\,\,{{\rm{p}}_{\,\,{\rm{y}}}}\) the electronic configuration rules that have to be followed is

1 Pauli’s exclusion principle
2 Aufbau principle
3 Both Pauli’s and Hund’s rule
4 All the above
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313780 Statement A :
The total energy of two molecular orbitals, however, remains the same as that of two original atomic orbitals.
Statement B :
The energy of the antibonding orbital is raised above the energy of the parent atomic orbitals that have combined and the energy of the bonding orbital has been lowered than the parent orbitals.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313781 Maximum number of electrons that can be present in any molecular orbital is

1 3
2 6
3 8
4 2
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313782 The wavelength of the wave function of a bonding molecular orbital formed by LCAO is

1 Equal to the wave function of atomic orbital
2 Less than the wave function of atomic orbital
3 Greater than the wave function of atomic orbital
4 Double the wave function of atomic orbital
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313779 While filling electrons in \({\rm{\pi }}\,\,{\rm{2}}\,\,{\rm{p}}\,{\,_{\rm{x}}}\,\,{\rm{and}}\,\,{\rm{\pi }}\,\,{\rm{2}}\,\,{{\rm{p}}_{\,\,{\rm{y}}}}\) the electronic configuration rules that have to be followed is

1 Pauli’s exclusion principle
2 Aufbau principle
3 Both Pauli’s and Hund’s rule
4 All the above
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313780 Statement A :
The total energy of two molecular orbitals, however, remains the same as that of two original atomic orbitals.
Statement B :
The energy of the antibonding orbital is raised above the energy of the parent atomic orbitals that have combined and the energy of the bonding orbital has been lowered than the parent orbitals.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313781 Maximum number of electrons that can be present in any molecular orbital is

1 3
2 6
3 8
4 2
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313782 The wavelength of the wave function of a bonding molecular orbital formed by LCAO is

1 Equal to the wave function of atomic orbital
2 Less than the wave function of atomic orbital
3 Greater than the wave function of atomic orbital
4 Double the wave function of atomic orbital
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313779 While filling electrons in \({\rm{\pi }}\,\,{\rm{2}}\,\,{\rm{p}}\,{\,_{\rm{x}}}\,\,{\rm{and}}\,\,{\rm{\pi }}\,\,{\rm{2}}\,\,{{\rm{p}}_{\,\,{\rm{y}}}}\) the electronic configuration rules that have to be followed is

1 Pauli’s exclusion principle
2 Aufbau principle
3 Both Pauli’s and Hund’s rule
4 All the above
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313780 Statement A :
The total energy of two molecular orbitals, however, remains the same as that of two original atomic orbitals.
Statement B :
The energy of the antibonding orbital is raised above the energy of the parent atomic orbitals that have combined and the energy of the bonding orbital has been lowered than the parent orbitals.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313781 Maximum number of electrons that can be present in any molecular orbital is

1 3
2 6
3 8
4 2
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313782 The wavelength of the wave function of a bonding molecular orbital formed by LCAO is

1 Equal to the wave function of atomic orbital
2 Less than the wave function of atomic orbital
3 Greater than the wave function of atomic orbital
4 Double the wave function of atomic orbital