Q14 / 225 · JEE Main 2003 · Chemistry

In the coordination compound, $\mathrm{K}_4\left[\mathrm{Ni}(\mathrm{CN})_4\right]$, the oxidation state of nickel is

  • Correct answer
    A
    0
  • B
    $+1$
  • C
    $+2$
  • D
    $-1$

Solution

$4(+1)+x+(-1) \times 4=0$ $\Rightarrow 4+x-4=0$ $x=0$

Hence, the correct answer is option: 'A'.

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