Question

When a dry solid is treated with a mild oxidizing agent, a purple solid is produced. What is the dry solid?

• A. $N_2$
• B. $KI$
• C. $CC{l}_4$
• D. $AgN{O}_3$
• E. $CaC{O}_3$

Answer 1

Answer: (B)

$KI$

A purple solid (iodine) is produced by treatment of the dry solid $KI$ with a mild oxidizing agent. The mild oxidising agent oxidizes iodide ion to iodine.