text: The final step of one reaction of this type converts raney nickel into two nickel disulfides and is named for a Merck chemist, Mozingo.
full_question: The final step of one reaction of this type converts raney nickel into two nickel disulfides and is named for a Merck chemist, Mozingo. Another of these reactions creates a cyclohexadiene from an aromatic ring, and is commonly performed in liquid ammonia. Usually, a hydrazone is formed and nitrogen gas is emitted in two intermediate steps of one of these reactions named for Wolff and Kishner. Hydrogenations are a type of, for 10 points, what reactions in which a compound gains electrons, and which are commonly contrasted with oxidations?
first_sentence: The final step of one reaction of this type converts raney nickel into two nickel disulfides and is named for a Merck chemist, Mozingo.