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Entry Test MCQ :: Chemical Bonding


41.  on sp3 hybridization
A. All p-orbitals are involved B. One s and 3 p-orbitals are involved
C. one p-orbital is involved D. four p-orbitals are involved

42.  Geometry of simple molecule having sp3 hybrid orbital is
A. Triangular B. Tetrahedral
C. Square planner D. Linear

43.  Geometry of molecule will be pyramidal if the outer post shell of the central atom has
A. 3 bond pair one lone pair B. 2 bond pair 2 lone pair
C. 1 bond pair 3 lone pair D. 3 lone pair 1 bond pair

44.  Pi bonds are produced by overlapping of
A. Un-hybrid orbitals B. Hybrid orbitals
C. Hybrid and un hybrid orbitals D. atomic orbital and hybrid orbital

45.  According to VESPR Model the geometry of molecule having 5 bond pair in outer most shell will be
A. Triangular B. Square planner
C. Trigonal bipyramidal D. Octahedral

46.  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

47.  Unpaired electron in a molecule gives _________ character.
A. Ferromagnetic B. Paramagnetic
C. Diamagnetism D. Both a & b

48.  Bond order for N2 molecule is
A. 2 B. 1
C. 3 D. 4

49.  Product of charge and distance is called
A. Pressure B. Bond length
C. Work D. Dipole moment

50.  Unit of dipole moment is
A. Debye B. Poise
C. Pascal D. Newton




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