Excess of KI reacts with CuSO4 solution, and Na2 S2 O3 solution is added to it. Which of the following statements is incorrect for the reaction?

Question

Excess of KI reacts with CuSO4 solution, and Na2 S2 O3 solution is added to it. Which of the following statements is incorrect for the reaction? (A) Evolved I2 is reduced, (B) Cu I2 is formed. (C) Na2S2O3 is oxidised. (D) Cu2 I2 is formed.

Tardigrade Admin · Accepted Answer

This is an example of iodometry.

Q. Excess of KI reacts with $C u S O_{4}$ solution, and $N a_{2} S_{2} O_{3}$ solution is added to it. Which of the following statements is incorrect for the reaction?

Evolved $I_{2}$ is reduced,

Cu $I_{2}$ is formed.

$N a_{2} S_{2} O_{3}$ is oxidised.

$C u_{2} I_{2}$ is formed.

This is an example of iodometry.

Q. Excess of KI reacts with CuSO4​ solution, and Na2​S2​O3​ solution is added to it. Which of the following statements is incorrect for the reaction?

Evolved I2​ is reduced,

Cu I2​ is formed.

Na2​S2​O3​ is oxidised.

Cu2​I2​ is formed.

This is an example of iodometry.

Q. Excess of KI reacts with $C u S O_{4}$ solution, and $N a_{2} S_{2} O_{3}$ solution is added to it. Which of the following statements is incorrect for the reaction?

Evolved $I_{2}$ is reduced,

Cu $I_{2}$ is formed.

$N a_{2} S_{2} O_{3}$ is oxidised.

$C u_{2} I_{2}$ is formed.