Which of the following is wrong statement - Vidyadip

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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