1.

Which one of the follwing is the is the correct order of oxidation nuimber of Iodine (I) in I_(2), HI HIO_(4) and ICI

Answer»

1
2
3
4

Solution :FORMULA of any compund can be formed by interchanging the VALENCIES of cation and anion and then written as SUBSCRIPT i.e
LTRBGT Hence the valency of GALLIUM is +3


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