HYBRIDIZATION AND SHAPES OF SIMPLE MOLECULES
HYBRIDIZATION AND SHAPES OF SIMPLE MOLECULES
Total Questions: 40
you'll have 45 second to answer each question.
Quiz Result
Total Questions:
Attempt:
Correct:
Wrong:
Percentage:
Quiz Answers
1. 
What is the hybridization in BeCl2
sp hybridization
2. 
What is the shape of CH4 molecule
Tetrahedral
3. Which of these hybrid orbitals has the most s character?
sp
4. _ is formed when one 2s orbital mixes with two 2p orbitals
Three 2sp2 orbitals
5. According to VSEPR theories, molecules take the form of various shapes because of _
Electron pair repulsion
6. What is the shape of NF3 molecule
Trigonal Pyramidal
7. Pi bonds are stronger than sigma bonds
False
8. One of these does not affect the shape of a molecule
Unhybridized orbitals
9. 
Sulphur undergoes sp2 hybridization before bonding with two atoms of oxygen – there's presence of a lone pair of electrons and pi bonds in the SO2, what will be its shape?
Bent
10. Hybridization involves the mixing of _
Atomic orbitals
11. What is the hybridization of Carbon when it makes 4 single bonds
sp3
12.
What is the shape of methane molecule?
Tetrahedral
13.
What is the bond angle in beryllium chloride, BeCl2 molecule?
180°
14. What is the excited state configuration of carbon?
1s² 2s¹ 2px¹ 2py¹ 2pz¹
15. 
What is the hybridization of BF3 molecule?
sp2
16.
What is the shape of BF3 molecule?
Trigonal planar
17. 
What is the shape of H2O molecule?
Bent
18. 
What is the shape of NH3 molecule?
Trigonal Pyramidal
19. Nitrogen in ammonia molecule undergo hybridization to form tetrahedral sp3 hybrid orbitals. What accounts for the trigonal pyramidal shape in ammonia?
Repulsion between lone pair and bond pairs
20. What is the hybridization of Carbon atoms in pentene?
sp2
21. What is the hybridization of Carbon atoms in Heptyne?
sp
22. What is the shape of NF molecule?
Linear
23. What is the shape of CO2 molecule?
Linear
24. 
What is the shape of tetrachloromethane CCl4?
Tetrahedral
25. 
What is the shape of CFCl3 molecule?
Tetrahedral
26. 
Consider the structure shown above: Give the hybridization of Carbon atoms–
sp and sp
27. 4s orbital can hybridize with 3p orbitals
No
28. It is compulsory for all atomic orbitals in an energy level of an atom to hybridise before chemical bonding can take place
No
29. 1 s + 1 p =
2 sp hybrids
30. 1 s + 2 p =
3 sp2 hybrid orbitals
31. 1 s + 3 p =
4 sp3 hybrids
32. C–C bond in ethane is a type of...
Sigma bond
33. A pi bond can exist independently
False
34. When an atom undergoes sp3 hybridization, which of these shapes will be the orientation of the new hybrid orbitals?
Tetrahedral
35. The angle between each of the 4 hybrid orbitals formed by sp3 hybridization is_
109.5°
36. _ accounts for the bent shape in water molecule
Repulsion between lone pair and bond pairs
37. sp3 hybrid orbitals can form pi bonds
I disagree
38. What is the shape of C2H4 molecule
Trigonal planar
39. The bigger lobe of an hybrid orbital always has a _ sign while the smaller lobe on the opposite side has a _ sign
+ve, -ve
40. The transfer of one of the paired electrons from a s orbital to an empty p orbital is termed
Electron promotion
