Selected MCQ

Current Question
Which orbital hybridization is tetrahedral?
  • A. sp
  • B. sp²
  • C. sp³
  • D. dsp²
Correct Answer: C
Explanation:
sp³ gives tetrahedral geometry.
Related Question 1
In molecular orbital theory, antibonding orbitals have:
  • A. Lower energy
  • B. Higher energy
  • C. Same energy
  • D. Zero energy
Correct Answer: B
Explanation:
Antibonding orbitals destabilize molecule.
Related Question 2
Which quantum number determines orbital shape?
  • A. Principal
  • B. Azimuthal
  • C. Magnetic
  • D. Spin
Correct Answer: B
Explanation:
Azimuthal quantum number defines orbital geometry.
Related Question 3
Which hybridization is linear?
  • A. sp
  • B. sp²
  • C. sp³
  • D. dsp²
Correct Answer: A
Explanation:
sp gives 180° geometry.
Related Question 4
Which orbital has highest energy in hydrogen atom?
  • A. 2s
  • B. 2p
  • C. 3s
  • D. All same for given n
Correct Answer: D
Explanation:
Energy depends only on n in hydrogen.
Related Question 5
Which hybridization is present in benzene carbon?
  • A. sp
  • B. sp²
  • C. sp³
  • D. dsp²
Correct Answer: B
Explanation:
Benzene carbons are trigonal planar.