SATHEE: Redox Reactions And Electrochemistry Ques 456

Redox Reactions And Electrochemistry Ques 456

Question: When $C u S O_{4}$ reacts with $K I$ , the oxidation number of $C u$ changes by [BHU 1997]

Options:

A) 0

B) - 1

C) 1

D) 2

Show Answer

Answer:

Correct Answer: C

Solution:

$\overset{+ 2}{C u S O_{4}}, + 2 K I$ - $K_{2} S O_{4} + C u I_{2}$ $2, C u I_{2} \overset{,}{\to} \overset{+, 1}{C u_{2} I_{2}}, + I_{2}$

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