Mond's Process

Q.

Which method of purification is represented by the following equations?

$Ni+4CO$ $\stackrel{{70}^{\circ }C}{\to }$ $Ni(CO{)}_4$ $\stackrel{{180}^{\circ }C}{\to }$ $Ni+4CO$

1. van Arkel

2. Zone refining

3. Mond’s process

4. Cupellation

Q.

Which method of purification is represented by the following equations?

$Ni+4CO$ $\stackrel{{70}^{\circ }C}{\to }$ $Ni(CO{)}_4$ $\stackrel{{180}^{\circ }C}{\to }$ $Ni+4CO$

1. van Arkel

2. Zone refining

3. Mond’s process

4. Cupellation