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.

A toy nutcracker is said to be represented by the section titled Gnomus. French women quarrelling in the marketplace is the basis of its section The Market at Limoges. Promenades connect the various sections of this work, whose most famous orchestration was arranged by Ravel. Based on the creations of Victor Hartmann, it contains such sections as Baba Yaga and its last, The Great Gate of Kiev. For 10 points, name this 1874 suite for piano, written by Modest Mussorgsky, which meant to portray one examining various works of art.
Fine Arts

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.
Science

In one notable episode, the main character of this work angers an earth goddess by beating his youngest wife during the Week of Peace. In order to avoid appearing weak, that protagonist ignored advice not to take part in the ritual sacrifice of Ikemefuna; later, a misfiring of that protagonist's gun causes his exile. This work's protagonist's favorite child is his daughter Ezinma; he is especially ashamed when his son Nwoye converts to Christianity. Taking its title from Yeats's The Second Coming, it is set in the fictional village of Umuofia. FTP, name this novel about Okonkwo written by Chinua Achebe.
Literature