CBSE Class 12 Chemistry 2022 Term 1 Paper

Question : 4 of 55

Marks: +1, -0

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

s p^3

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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