Chemistry · PYQ NEET UG 2022
हिन्दीIdentify the INCORRECT statement from the following.
Correct answer · Option 4
The oxidation number of K in \( \text{KO}_2 \) is +4.
Explanation
In \( \text{KO}_2 \) (potassium superoxide), oxygen exists as superoxide ion \( \text{O}_2^- \), so oxidation number of K is +1, making statement (4) incorrect.