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:Consider the reaction represented by the following…What quantity of electrons is lost when one mole of…The type of iron that is best suited for welding;…Wrought iron is obtained by heating cast iron in a…When iron is exposed to moist air; it gradually…