Q42Multiple choice
Account for the following observations:
- (i)AlCl3 is a Lewis acid
- (ii)Though fluorine is more electronegative than chlorine yet BF3 is a weaker Lewis acid than BCl3
- (iii)PbO2 is a stronger oxidising agent than SnO2
- (iv)The +1 oxidation state of thallium is more stable than its +3 state.