Question

A few elements in the order of decreasing reactivity are : K > Ca > Mg > Fe > H > Sb > Au. Identify the incorrect statement.

• A. Au is the weakest reducing agent
• B. K is the strongest oxidizing agent
• C. The oxide of tin can be reduced with hydrogen
• D. Ca displaces hydrogen from water more easily than Fe

Answer 1

The correct option is B K is the strongest oxidizing agent

Alkali metals are strong reducing agents because they have ability to release electron and attain noble gas configuration.

Here, $K$ is a strong reducing agent and not a strong oxidizing agent.

Ans :- B