Redox Reactions And Electrochemistry Ques 463

Question: The oxidation number of nickel in $ K_4[Ni{{(CN)}_4}] $ is [JIPMER 1999]

Options:

A) - 2

B) - 1

C) + 2

D) 0

Show Answer

Answer:

Correct Answer: D

Solution:

$ K_4[\overset{*}{\mathop{Ni}},{{(CN)}_4}] $ $ 4\times (+1)+x+4\times (-1)=0 $ $ +4+x-4=0\Rightarrow x=0 $ .



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