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(4) Complete the frllowing reections and write a detailed mechanisme for eech. Reactione (B), (C), and (E) are radical reactions. Hee a ennved sungle-basbed arrow to show the le- movements in thee mechanisms. i.e. (.). Reaction (D), (D) are reactrome that ocue by polar mechanisms. War a curved druble-bubed assouto show the 2e - mavements in theser mechanows. i.e. (.. D). Show all radical centere or chargea explicitly. (A) CCl4Br2 (B) hvihNBS hint: polar AdE reaction hint: frae madioal (allylia) (c) (D) HBr