When iron is exposed to moisture and it rusts; the value of ΔG for the reaction is? By: Sunday|Published on: Oct 14|Categories: Chemistry JAMB| 0 comments A. neutral B. zero C. positive D. negative Correct Answer: Option D – negative Users Also Read These:Wrought iron is obtained by heating cast iron in a…A rectangular piece of iron measuring 4 cm by 3 cm…A piece of iron weighs 250N in air and 200N in a…Aluminum is above iron in the electrochemical…The main impurity in iron ore during the extraction…SEE ALSO If an element with high electron affinity combines with another element with low ionization energy the bond formed will be mainly?