Entry Test MCQ :: Chemical Bonding
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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 |
Answer: Option B
Explanation:
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42. |
Geometry of simple molecule having sp3 hybrid orbital is |
A. |
Triangular |
B. |
Tetrahedral |
C. |
Square planner |
D. |
Linear |
Answer: Option B
Explanation:
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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 |
Answer: Option A
Explanation:
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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 |
Answer: Option A
Explanation:
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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 |
Answer: Option C
Explanation:
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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 |
Answer: Option B
Explanation:
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47. |
Unpaired electron in a molecule gives _________ character. |
A. |
Ferromagnetic |
B. |
Paramagnetic |
C. |
Diamagnetism |
D. |
Both a & b |
Answer: Option B
Explanation:
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48. |
Bond order for N2 molecule is |
Answer: Option C
Explanation:
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49. |
Product of charge and distance is called |
A. |
Pressure |
B. |
Bond length |
C. |
Work |
D. |
Dipole moment |
Answer: Option D
Explanation:
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50. |
Unit of dipole moment is |
Answer: Option A
Explanation:
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