Which method of purification is represented by the following equations?

$N i + 4 C O$ $70^{\circ} C - -- \to$ $N i (C O)_{4}$ $180^{\circ} C - --- \to$ $N i + 4 C O$

van Arkel

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Zone refining

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Mond’s process

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Cupellation

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Solution

The correct option is C
Mond’s process

Which method of purification is represented by the following equations?

$N i + 4 C O$ $70^{\circ} C - -- \to$ $N i (C O)_{4}$ $180^{\circ} C - --- \to$ $N i + 4 C O$

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Similar questions

Which method of purification is represented by the following equations?

$N i + 4 C O$ $70^{\circ} C - -- \to$ $N i (C O)_{4}$ $180^{\circ} C - --- \to$ $N i + 4 C O$

N i + 4 C O (i m p u r e) 320 K \to N i (C O)_{4} 420 K \to N i + 4 C O (p u r e)

N i (i m p u r e) + 4 C O 320 K - -- \to N i {(C O)}_{4} 420 K - -- \to N i (p u r e) + 4 C O

N i + 4 C O 60 - 80^{o} C - ---- \to N i (C O)_{4} 180^{0} C - -- \to N i + 4 C O

Which method of purification is represented by the following equations?

$N i + 4 C O$ $70^{\circ} C - -- \to$ $N i (C O)_{4}$ $180^{\circ} C - --- \to$ $N i + 4 C O$

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