pBlock ElementsII - Result Question 106

####103. Complete and balance the following reactions.

(i) $S+OH^{-} \longrightarrow S^{2-}+S _2 O _3^{2-}+\ldots \ldots$

(ii) $ClO _3^{-}+I^{-}+H _2 SO _4 \longrightarrow Cl^{-}+HSO _4^{-}+\ldots \ldots .+\ldots \ldots$

(1986, 2M)

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Solution:

  1. (i) $4 S+6 OH^{-} \longrightarrow 2 S^{2-}+S _2 O _3^{2-}+3 H _2 O$

(ii) $ClO _3^{-}+6 I^{-}+6 H _2 SO _4 \longrightarrow Cl^{-}+6 HSO _4^{-}+3 I _2+3 H _2 O$



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