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Q93
(NDA-II/2021)
Science & Technology › Basic Science (Physics, Chemistry, Biology) › Organic chemistry basics
What is the total number of covalent bonds in methanol ?
Result
Your answer:
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·
Correct:
C
Explanation
Methanol (CH3OH) is a simple organic molecule where atoms are held together by covalent bonds formed through electron sharing [1]. To determine the total number of covalent bonds, one must examine its Lewis structure. The central carbon atom forms four covalent bonds to complete its octet: three single bonds with three hydrogen atoms (C-H) and one single bond with the oxygen atom (C-O). The oxygen atom, which requires two bonds to complete its octet, forms one bond with the carbon atom and one single bond with the remaining hydrogen atom (O-H). Summing these up, there are 3 (C-H) + 1 (C-O) + 1 (O-H) = 5 covalent bonds in total. Each bond represents a shared pair of electrons between the participating atoms [1].
Sources
- [1] Science , class X (NCERT 2025 ed.) > Chapter 4: Carbon and its Compounds > 4.1 BONDING IN CARBON – THE COVALENT BOND > p. 60
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