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  3. Chemistry
  4. Which one of these is not known ?

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Q. Which one of these is not known ?

KCETKCET 2014The d-and f-Block Elements

Solution:

Cupric iodide is not stable. It changes into cuprous iodide.

$2 CuI _{2} \longrightarrow Cu _{2} I _{2}+ I _{2}$