According to the Lewis definition, which of the following may act as acids? A) NH₃ B) HCl C) AlCl₃ D) A & B E) A, B, & C

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According to the Lewis definition, an acid is a substance that can accept a pair of electrons. All the given options, including ammonia (NH₃, which seems to be a typographical error for NH3), HCl, and AlCl₃ (presumably meant to be AlCl3), can act as Lewis acids. NH3 can act as a Lewis base but in certain contexts, it can accept an electron pair, making it a Lewis acid. HCl can donate a proton (H+) and accept an electron pair in the process, and AlCl3 can accept an electron pair due to the empty orbitals of aluminum.

According to the Lewis Definition, Which of the Following May