MCQ
Which metal is ultrap urifiedusing carbon monoxide?
- A$Cu$
- B$Zr$
- C$Al$
- ✓$Ni$
✓
Answer
Correct option: D.
$Ni$
d
Mond Process for Refining Nickel: In this process, nickel is heated in a stream of carbon monoxide forming a volatile complex named as nickel tetracarbonyl. This complex is decomposed at a higher temperature to obtain the pure metal.
Mond Process for Refining Nickel: In this process, nickel is heated in a stream of carbon monoxide forming a volatile complex named as nickel tetracarbonyl. This complex is decomposed at a higher temperature to obtain the pure metal.
The reactions are:
$Ni +4 CO \rightarrow Ni ( CO )_4$
$Ni ( CO )_4 \rightarrow Ni +4 CO$
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