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General Principles and processes of Isolation of Elements
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In the electrolytic refining of blister copper, the total number of main impurities, from the following, removed as anode mud is .... .
$\mathrm{Pb}, \mathrm{Sb}, \mathrm{Se}, \mathrm{Te}, \mathrm{Ru}, \mathrm{Ag}, \mathrm{Au}$ and $\mathrm{Pt}$
A
$5$
B
$6$
C
$4$
D
$3$
(JEE MAIN-2021)
Solution
Anode mud contains $\mathrm{Sb}, \mathrm{Se}, \mathrm{Te}, \mathrm{Ag}$, Au and $\mathrm{Pt}$
Standard 12
Chemistry
