CBSE Class 12 Chemistry 2022 Term 1 Paper

Question : 4

Total: 55

The C−O−H bond angle in alcohol is

slightly greater than 109∘28′.
slightly less than 109∘28′
slightly greater than 120∘.
slightly less than 120∘.

Solution:

C−O−H bond angle in alcohol is slightly less than 109∘28′.

The oxygen atom is sp3 hybridised but because of the mutual repulsion of 2 lone pairs of electrons on it the resultant bond angle C-O-H is slightly less than the tetrahedral angle.

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