A) \[K{{I}_{3}}\]
B) \[KI\]
C) \[I{{F}_{5}}\]
D) \[KI{{O}_{4}}\]
Correct Answer: D
Solution :
\[\overset{*}{\mathop{KI{{O}_{4}}}}\,\] \[1+x-2\times 4=0\]; \[x=8-1=+7\].
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