In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

One of these organic compounds is converted to an alkene by a diorganochromium compound in the Takai olefination. Compounds may be reduced to this functionality via the use of DIBAL-H (die-bahl aitch), and alkynes are formed by a reaction of these compounds with tetrabromomethane and triphenylphosphine named for Corey and Fuchs. When these organic compounds lack a hydrogen atom in the alpha position, their disproportionation can be induced by a base in the Cannizzaro reaction. These organic compounds are oxidized to carboxylic acids by a diamminesilver (I) complex, leading to the precipitation of metal onto the inside of the vessel, giving the positive "silver mirror" result of the Tollens test. For 10 points, name this special class of ketones with one R group being just hydrogen.
Science

author claimed that there is no right to hold a bird of prey accountable for being a bird of prey. Ernst Haeckel latched onto this philosopher's idea of the "world riddle. " A renowned translator and interpreter of this philosopher's works was Walter Kaufman. This thinker chastised his prior love of Wagner in an "attempt at self-criticism" appended to a work in which he contrasted the Dionysian and Apollonian aspects of the title art form. He described the "blond beast" in his treatment of ethics, On the Genealogy of Morals. For 10 points, name this philosopher who proclaimed "God is Dead" in The Gay Science and wrote The Birth of Tragedy.
Social Science

One ruler of this nation helped Ordelafo Faliero and Baldwin I at the Siege of Sidon and was known as the Crusader. This country's communist-friendly DNA Party was able to pass much legislation after allying with its Agrarian Party in 1935. Duke Skule lost a battle in its modern capital in 1240, a capital also attacked by Erik of Sodermanland in 1350. During World War II, its resistance movement helped sabotage its heavy water facilities, while in the 19th century, the Storting Parliament held great influence in this country. A governor and later king of this country helped draft the Constitution of May 17, 1814 in the city of Eidsvoll after control of this country switched hands following the Treaty of Kiel. Oldenburg dynasty saw the rule of several monarchs named Frederick and Christian and it was ruled during World War II by Vidkun Quisling. For 10 points, name this country whose capital at Kristiania was renamed Oslo.

History