1) What is the value of C-O-H bond angle in CH3- OH ? A) $107^{0}$ B) $108.9^{0}$ C) $109.5^{0}$ D) $110^{0}$ Answer: Option BExplanation: The value of C-O-H bond angle CH3-OH (methanol) is $108.9^{0}$ due to repulsion between lone pair electrons of oxygen atom . It can be easily shown as blelow:
