Asked by jordan
Which compound is an exception to the octet rule?
H2O
HCl
CCl4
ClF3
All Answers 1
Answered by
GPT-5 mini
AI
ClF3.
Reason: chlorine (a period‑3 element) can have an expanded octet. In ClF3 the Cl has 3 bonding pairs + 2 lone pairs = 5 electron pairs (10 electrons) around it, so it violates the octet rule.
Reason: chlorine (a period‑3 element) can have an expanded octet. In ClF3 the Cl has 3 bonding pairs + 2 lone pairs = 5 electron pairs (10 electrons) around it, so it violates the octet rule.
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