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:The type of iron that is best suited for welding;…Aluminum is above iron in the electrochemical…What quantity of electrons (in mole) is lost when…If the value of ∆H for a reaction is negative, it…Wrought iron is obtained by heating cast iron in a…