(A) The $Mond$ process is a technique used for the refining of $Nickel$ $(Ni)$.In this process,impure $Nickel$ is heated in a stream of $Carbon$ $mono

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$Ni + 4 CO \xrightarrow{\Delta} Ni(CO)_4$

(A) The $Mond$ process is a technique used for the refining of $Nickel$ $(Ni)$.In this process,impure $Nickel$ is heated in a stream of $Carbon$ $monoxide$ $(CO)$ to form a volatile complex,$Nickel$ $tetracarbonyl$ $(Ni(CO)_4)$,which is then decomposed at higher temperatures to obtain pure $Nickel$.The reaction is: $Ni + 4 CO \xrightarrow{\Delta} Ni(CO)_4$.

Class 12 Chemistry General Principles and Processes of Isolation of Elements Refining of crude Metal

Medium

The reaction representing the $Mond$ process for metal refining is $............$.

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A
$Ni + 4 CO \xrightarrow{\Delta} Ni(CO)_4$
B
$2 K[Au(CN)_2] + Zn \xrightarrow{\Delta} K_2[Zn(CN)_4] + 2 Au$
C
$Zr + 2 I_2 \xrightarrow{\Delta} ZrI_4$
D
$ZnO + C \xrightarrow{\Delta} Zn + CO$

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Class 12

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Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Refining of crude Metal

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During the electrolytic refining of silver,the anode mud contains:

Medium

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Identify the appropriate electrodes for the electrolytic refining of a copper sample containing zinc as an impurity.

Easy

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When the sample of copper with zinc impurity is to be purified by electrolysis,the appropriate electrodes are:
Cathode,Anode

MediumAIEEE 2002

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When an impurity in a metal has greater affinity for oxygen and is more easily oxidised than the metal itself,the metal is refined by:

Easy

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Which of the following pairs is incorrect?
$(a)$ Goldschmidt alumino-thermite process $-$ $Cr_2O_3$
$(b)$ MacArthur-Forrest cyanide process $-$ $Fe$
$(c)$ Mond process $-$ $Ni$
$(d)$ Van Arkel process $-$ $Au$

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The reaction representing the $Mond$ process for metal refining is $............$.

Similar Questions

During the electrolytic refining of silver,the anode mud contains:

Identify the appropriate electrodes for the electrolytic refining of a copper sample containing zinc as an impurity.

When the sample of copper with zinc impurity is to be purified by electrolysis,the appropriate electrodes are:Cathode,Anode

When an impurity in a metal has greater affinity for oxygen and is more easily oxidised than the metal itself,the metal is refined by:

Which of the following pairs is incorrect?$(a)$ Goldschmidt alumino-thermite process $-$ $Cr_2O_3$$(b)$ MacArthur-Forrest cyanide process $-$ $Fe$$(c)$ Mond process $-$ $Ni$$(d)$ Van Arkel process $-$ $Au$

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When the sample of copper with zinc impurity is to be purified by electrolysis,the appropriate electrodes are:
Cathode,Anode

Which of the following pairs is incorrect?
$(a)$ Goldschmidt alumino-thermite process $-$ $Cr_2O_3$
$(b)$ MacArthur-Forrest cyanide process $-$ $Fe$
$(c)$ Mond process $-$ $Ni$
$(d)$ Van Arkel process $-$ $Au$