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Chemistry Question on Chemical bonding and molecular structure

What will be the bond angle C-0-H in alcohol if hybridisation of C and O atom possess sp3^3hybridisation?

A

111∘^{\circ}42'

B

199∘^{\circ}28;

C

108∘^{\circ}30'

D

109∘^{\circ}

Answer

108∘^{\circ}30'

Explanation

Solution

The bond angle C-0-H in alcohol is slightly less than tetrahedral angle (109∘^{\circ}28' ). This is due to larger repulsion between the lone pairs of oxygen. The bond angle C-0-H in alcohol is 108∘^{\circ}30'