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  • Iodate ions convert into orthoperiodate ions under alkaline conditions. Choose the correct balanced reaction:  Option: 1 <img alt="1 \

Iodate ions convert into orthoperiodate ions under alkaline conditions. Choose the correct balanced reaction:

 

Option: 1

1 \mathrm{O}^{-3}+6 \mathrm{OH}^{-}-2 \mathrm{e}^{-} \rightarrow 1 \mathrm{O}_5^{-6}+3 \mathrm{H}_2 \mathrm{O}


 


Option: 2

\mathrm{IO}^{3-}+5 \mathrm{OH}^{-} \rightarrow \mathrm{IO}_6^{5-}+2 \mathrm{H}_2 \mathrm{O}

 


Option: 3

\mathrm{IO}_3{ }^{2-}+6 \mathrm{OH}^{-} \rightarrow \mathrm{IO}_5^{6-}+3 \mathrm{H}_2 \mathrm{O}


Option: 4

\mathrm{IO}_3^{2-}+5 \mathrm{OH} \rightarrow \mathrm{IO}_6^{5-}+2 \mathrm{H}_2 \mathrm{O}+2 \mathrm{e}


Answers (1)

best_answer

The unbalanced reaction is: 10^{3-} \rightarrow \mathrm{IO}_5{ }^{6-}

Balancing charge: \mathrm{IO}_3{ }^{-}-2 \mathrm{e}^{-}+6 \mathrm{OH}^{-} \rightarrow \mathrm{IO}_5{ }^6+3 \mathrm{H}_2 \mathrm{O}

Hence option 1 is correct.

Posted by

Sanket Gandhi

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