The shape around the oxygen atom in butan-2-ol is non linear. Predict the shape and angle of the C-O-H bond giving explanations

This bond can be described as having a non-linear or bent geometry, with a bond angle of approximately 104.5 degrees. It has this angle because the oxygen atom has 2 lone pairs and 2 bonding pairs of electrons around it. Lone pairs repel more than bonding pairs, so the angle is less than that of an atom with tetrahedral or pyramidal geometry.
This answer would achieve 4/4 marks for an OCR AS Level paper.