alleryA sigma bond is formed by overlap that is:
AHand-on
BHold-on
CHook-on
DHead-on
Answer & Solution
Correct answer: D. Head-on
1. The way the orbitals meet decides the bond type.
2. A sigma bond is formed by end to end, or head-on, overlap along the internuclear axis.
3. So the correct answer is head-on.
_Source: syllabus Chemistry, Ch 4 'Chemical Bonding and Molecular Structure'_
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