Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
In the coordination compound, $\mathrm{K}_4\left[\mathrm{Ni}(\mathrm{CN})_4\right]$, the oxidation state of nickel is
ChemistryCoordination CompoundsJEE MainJEE Main 2003
Options:
  • A
    0
  • B
    $+1$
  • C
    $+2$
  • D
    $-1$
Solution:
2617 Upvotes Verified Answer
The correct answer is:
0
$4(+1)+x+(-1) \times 4=0$ $\Rightarrow 4+x-4=0$
$x=0$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.