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KCET2014ChemistryGeneral Principles and Processes of Isolation of Metals

Which one of these is not known ?

Options

  1. A( CuI ₂ )
  2. B( CuBr ₂ )
  3. C( CuCl ₂ )
  4. D( CuF ₂ )

Correct answer

A. ( CuI ₂ )

Step-by-step solution

CuI ₂ is not known. It is not stable. Cu +2 I CuI ₂ Copper (II) iodide is not stable upon formation it decomposes to copper(I) iodide and iodine 2 CuI ₂ 2 CuI + I ₂

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