Suggest onemethodfor separationof nickelfromcobalt ? – InterviewSolution

1.	Suggest onemethodfor separationof nickelfromcobalt ?
Answer» Solution :CO ispassedover aheatedmixture ofNiand Co at330- 350KwhenNiformsvolatile` Ni(CO)_ 4`butCodoes not. The volatile` Ni(CO ) _4`isseparatedandthenheatedat450- 470 KtogetpureNi. `underset ("IMPURE nickel")(Ni (s) ) +4CO(g)overset ( 330 - 350 K ) tounderset ("Nickeltetracarbonyl") (Ni(CO)_4(g)) overset (450- 470 K ) tounderset ("Purenickel") (Ni(s))+ 4CO(g) `

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