Which of the following reactions does not involve oxidation-reduction?

Question

Which of the following reactions does not involve oxidation-reduction? (A) 2Rb+H2O arrow 2RbOH+H2 (B) 2CuI2 arrow 2CuI+I2 (C) CuO+H2 arrow Cu+H2O (D) 4 KCN + Fe ( CN )2 arrow K 4[ Fe ( CN )6]

Tardigrade Admin · Accepted Answer

There is no change in the oxidation number of any species in the reaction so neither oxidation nor reduction occurs here. 4 KCN + Fe ( CN )2 arrow K 4[ Fe ( CN )6]

Q. Which of the following reactions does not involve oxidation-reduction?

$2 R b + H_{2} O \to 2 R b O H + H_{2}$

$2 C u I_{2} \to 2 C u I + I_{2}$

$C u O + H_{2} \to C u + H_{2} O$

$4 K CN + F e (CN)_{2} \to K_{4} [F e (CN)_{6}]$

There is no change in the oxidation number of any species in the reaction so neither oxidation nor reduction occurs here.

$4 K CN + F e (CN)_{2} \to K_{4} [F e (CN)_{6}]$

Q. Which of the following reactions does not involve oxidation-reduction?

2Rb+H2​O→2RbOH+H2​

2CuI2​→2CuI+I2​

CuO+H2​→Cu+H2​O

4KCN+Fe(CN)2​→K4​[Fe(CN)6​]

There is no change in the oxidation number of any species in the reaction so neither oxidation nor reduction occurs here. 4KCN+Fe(CN)2​→K4​[Fe(CN)6​]

$2 R b + H_{2} O \to 2 R b O H + H_{2}$

$2 C u I_{2} \to 2 C u I + I_{2}$

$C u O + H_{2} \to C u + H_{2} O$

$4 K CN + F e (CN)_{2} \to K_{4} [F e (CN)_{6}]$

There is no change in the oxidation number of any species in the reaction so neither oxidation nor reduction occurs here.

$4 K CN + F e (CN)_{2} \to K_{4} [F e (CN)_{6}]$