Redox Reactions And Electrochemistry Ques 761

Question: In which of the following compounds, the oxidation number of iodine is fractional:

Options:

A) $ IF_7 $

B) $ I_3^{-} $

C) $ IF_3 $

D) $ IF_5 $

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Answer:

Correct Answer: B

Solution:

[b] $ \begin{aligned} & \underset{\downarrow }{\mathop{I_3^{-}}}, \\ & \begin{matrix} x & \Rightarrow & 3x=-1 \\ {} & {} & x=-\frac{,1}{3} \\ \end{matrix} \\ \end{aligned} $



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