MCQ
Which of the following is wrong statement
  • $Ni{(CO)_4}$ has oxidation number $+ 4 $ for $Ni$ 
  • B
    $Ni{(CO)_4}$ has zero oxidation number for $  Ni$
  • C
    $ Ni$ is metal
  • D
    $CO$  is gas

Answer

Correct option: A.
$Ni{(CO)_4}$ has oxidation number $+ 4 $ for $Ni$ 
a
(a) $Ni\,{(CO)_4}$has O.N. zero for $Ni$.

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