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Question: Answered & Verified by Expert
Paragraph:
The coordination number of $\mathrm{Ni}^{2+}$ is 4 .
$\mathrm{NiCl}_2+\mathrm{KCN}$ (excess) $\rightarrow A$ (cyano complex)
$\mathrm{NiCl}_2+$ conc. $\mathrm{HCl}$ (excess) $\rightarrow B$ (chloro complex)Question:
The IUPAC name of $A$ and $B$ are
ChemistryCoordination CompoundsJEE Main
Options:
  • A
    Potassium tetracyanonickelate (II), potassium tetrachloronickelate (II)
  • B
    Tetracyanopotassiumnickelate (II), tetrorachloropotassiumnickelate (II)
  • C
    Tetracyanonickel (II), tetrachloronickel (II)
  • D
    Potassium tetracyanonickel (II), potassium tetrachloronickel (II)
Solution:
2827 Upvotes Verified Answer
The correct answer is:
Potassium tetracyanonickelate (II), potassium tetrachloronickelate (II)

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