Question

if O2 is paramagnetic then why it is colourless? if O2 is paramagnetic then why it is colourless? @Chemistry

Answer 1

its not colorless

Answer 2

so y cant we SEE O2 gas

Answer 3

You can see it, if you look at things in the distance you begin to be perceive it. It's called generally "air shine". This is why mountains begin to look bluish or purple. Our eyes evolved in ambient atmosphere.

Answer 4

well O2 liquid is blue in colour