When iron is exposed to moisture and it rusts; the value of ΔG for the reaction is? by Sunday | Oct 14 | Chemistry JAMB | 0 comments A. neutral B. zero C. positive D. negative Correct Answer: Option D – negative Users Also Read These:When iron is exposed to moist air; it gradually…Aluminum is above iron in the electrochemical…Consider the reaction represented by the following…If the value of ΔH is positive for a reaction; it…A piece of iron weighs 250N in air and 200N in a…