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.

[Q]: The Schlenk equilibrium, which can be affected by the presence of dioxane, describes the stability of these compounds, whose synthesis can be improved by the addition of mercuric chloride amalgamates. They react with nitriles to form intermediate imine anions, and dry carbon dioxide can be bubbled through them to create carboxylic acids, which themselves do not form an addition product with these. In what is sometimes called their namesake's reaction, they act as strong nucleophiles to form tertiary or secondary alcohols from ketones or aldehydes. For 10 points, name these compounds formed by reacting an alkyl halide with magnesium, named for a French guy.
[A]: Science


[Q]: One of his works argues that rationality is the core of all reality, and states that there is no reality besides that which is shaped by the mind; a condensed version of this work can be found in his Encyclopedia of the Philosophical Sciences. One of his works divides the title concept into abstract, moral and ethical spheres, and posits the idea that free will can only be realized in systems of property rights and contracts. In addition to the aforementioned Science of Logic, another work relies on the thesis-antithesis-synthesis method, and includes discussions of Absolute Knowing and the master-slave dialectic. FTP, name this German philosopher and author of The Philosophy of Right and Phenomenology of Mind.
[A]: Social Science


[Q]: This man was elected to Congress with the slogan ""Congress needs a tail-gunner. "" He gained notice after a speech in Wheeling, West Virginia. He was criticized for his attack on the clerk Annie Lee Moss on the program See It Now by Edward R. Murrow. Along with attorney Roy Cohn, he was discredited during the 1954 Army hearings, in which Joseph Welch asked him ""Have you no sense of decency, sir"" For 10 points, name this Wisconsin Senator who led witch-hunts against supposed Communists in the 1950s.
[A]:
History