`Mg,Mg^(2+),AI` and `AI^(3+)` are arranged in decreasing order of size `1 gt 2 gt 3 gt 4`. Species w
Channel: Doubtnut
Date: 2020-04-26

`Mg,Mg^(2+),AI` and `AI^(3+)` are arranged in decreasing order of size `1 gt 2 gt 3 gt 4`. Species which are present at 1 and 4 position respectively are: