Solution of task 53 of Chemistry Book Shimanovich 2003

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53. Based on the degree of oxidation of the atoms of the corresponding elements, give a reasoned answer to the question: which of the two hydroxides is the stronger base:
CuOH or Cu(OH)2; Fe(OH)2 or Fe(OH)3; Sn(OH)2 or Sn(OH)4? Write the reaction equations proving the amphotericity of tin (II) hydroxide.

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