How do i do oxidation numbers

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Tell me the iupac names of the following alcohols:

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+