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How many shared pairs of electrons make up a single covalent bond?
AFour pairs
BOne pair
CTwo pairs
DThree pairs
Answer & Solution
Correct answer: B. One pair
1. A covalent bond forms by sharing valence electrons between two atoms.
2. One pair of shared electrons constitutes one covalent bond.
3. So a single bond is exactly one shared pair.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology, Ch 9 "Carbon Compounds", p.120_
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