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- Element of group 13Option: 1 Exhibit oxidation state of +3 onlyOption: 2 Form M+
Element of group 13
Option: 1
Exhibit oxidation state of +3 only
Option: 2
Form M+ and M3+
Option: 3
Exhibit oxidation state of +1 and +3
Option: 4
None of these
Answers (1)
Element of group 13 exhibit oxidation state of +1 and +3.
In Ga, In and Tl, both +1 and +3 oxidation states are observed. Due to small size of B, the sum of its first three ionization enthalpies is very high. This prevents it from forming +3 ions.
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