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How many lone pairs of electrons does O atom have in methanol?

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in Chemistry – Class 12 by (188k points)
How many lone pairs of electrons does O atom have in methanol?

(a) 0

(b) 1

(c) 2

(d) 4

I had been asked this question at a job interview.

The above asked question is from Structures of Functional Groups topic in division Alcohols, Phenols and Ethers of Chemistry – Class 12

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The correct answer is (c) 2

The explanation: The oxygen atom in methanol is sp^3 hybridised. One of the sp^3 orbitals overlaps with 1s orbital of hydrogen (of OH group) and one sp^3 orbital overlaps with sp^3 orbital of C atom. The remaining two sp^3 orbitals contain one lone pair of electrons each.

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