Redox Reactions And Electrochemistry Question 239
Question: Oxidation number of nickel in $ Ni{{(CO)}_4} $ [AIIMS 1984; MNR 1985; CPMT 1997; MP PET/PMT 1998; AMU 2000; 01]
Options:
A) 0
B) + 4
C) - 4
D) + 2
Show Answer
Answer:
Correct Answer: A
Solution:
If any central metal atom combined with corbonyl group than central metal atom shows always zero oxidation state.
BETA
