alleryHow many sp3 hybrid orbitals form around carbon?
- Two
- Four
- Five
- Three
Show answer and solution
Correct answer: B. Four
Carbon forms four equivalent sp3 hybrids in methane.
ICSE Class 10 Chemical Bonding — practice questions — page 2
Explore 50 free Chemical Bonding questions in ICSE Class 10 Chemistry. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 31–50 of 50.
How many sp3 hybrid orbitals form around carbon?Read the answer and worked solution →Which hybridisation is used by carbon in ethylene?Read the answer and worked solution →How many sp2 orbitals result from mixing one s and two p orbitals?Read the answer and worked solution →What happens to the third p orbital in sp2 hybridisation?Read the answer and worked solution →What hybrid orbitals overlap between the two carbons in ethyne?Read the answer and worked solution →What is the bond angle for the sp orbitals in ethyne?Read the answer and worked solution →What kind of theory is molecular orbital theory?Read the answer and worked solution →How are electrons treated in molecular orbital theory?Read the answer and worked solution →What does LCAO combine to describe molecular orbitals?Read the answer and worked solution →Where is electron density concentrated in a bonding orbital?Read the answer and worked solution →What effect does an antibonding orbital have on a bond?Read the answer and worked solution →How is molecular bond order expressed using bonding and antibonding electrons?Read the answer and worked solution →What does a positive bond order indicate in the simple MO model?Read the answer and worked solution →What magnetic property of O2 does MO theory explain?Read the answer and worked solution →What is a hydrogen-bond donor hydrogen attached to?Read the answer and worked solution →Which atoms commonly bond to donor hydrogen in hydrogen bonds?Read the answer and worked solution →What feature helps an atom act as a hydrogen-bond acceptor?Read the answer and worked solution →Where can hydrogen bonding occur?Read the answer and worked solution →Which biological structures are stabilized by hydrogen bonds?Read the answer and worked solution →How do hydrogen bonds compare with covalent bonds in strength?Read the answer and worked solution →
Worked practice questions
Which hybridisation is used by carbon in ethylene?
- sp
- sp2
- d2sp3
- sp3
Show answer and solution
Correct answer: B. sp2
Each ethylene carbon is described as sp2 hybridised.
How many sp2 orbitals result from mixing one s and two p orbitals?
- One
- Two
- Three
- Four
Show answer and solution
Correct answer: C. Three
Mixing one s and two p orbitals produces three sp2 orbitals.
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