SATHEE: Redox Reactions And Electrochemistry Ques 492

Redox Reactions And Electrochemistry Ques 492

Question: Oxidation of thiosulphate $2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (l)$ ion by iodine gives [NCERT 1976]

Options:

A) $S_{2} O_{5}^{2 -}$

B) $S O_{4}^{2 -}$

C) $S_{4} O_{6}^{2 -}$

D) $S_{2} O_{6}^{2 -}$

Show Answer

Answer:

Correct Answer: C

Solution:

$2 S_{2} O_{3}^{2 -} + I_{2} \to S_{4} O_{6}^{2 -} + 2 I^{-}$ .

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