Medium
Write two basic requirements for refining of a metal by Mond's process and by Van Arkel Method.
(N/A) The two basic requirements for these refining processes are:
$(i)$ The metal should form a volatile compound with an available reagent.
$(ii)$ The volatile compound should be easily decomposable to recover the pure metal.
$(i)$ The metal should form a volatile compound with an available reagent.
$(ii)$ The volatile compound should be easily decomposable to recover the pure metal.
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The Van-Arkel method of refining $Zr$ involves,
Which of the following metals is refined by vapour phase refining in the Mond process?
Copper is purified by electrolytic refining of blister copper. The correct statement$(s)$ about this process is(are):
$(A)$ Impure $Cu$ strip is used as cathode
$(B)$ Acidified aqueous $CuSO_4$ is used as electrolyte
$(C)$ Pure $Cu$ deposits at cathode
$(D)$ Impurities settle as anode-mud
$(A)$ Impure $Cu$ strip is used as cathode
$(B)$ Acidified aqueous $CuSO_4$ is used as electrolyte
$(C)$ Pure $Cu$ deposits at cathode
$(D)$ Impurities settle as anode-mud
MediumIIT 2015
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Zone refining is a technique used primarily for which one of the following processes?
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