Multiple choice

Copper does not react with dilute HCl but reacts in the presence of air or oxygen because

  1. copper is ranked lower than hydrogen in the activity series

  2. hydrochloric acid is not an oxidising agent

  3. air or oxygen oxidises the copper metal to copper (+ 2) ion

  4. all of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

null

Keep practicing — related questions