Purification And Characterisation Of Organic Compounds Question 99
Question: Silver obtained from argentiferrous lead containing lead impurity is purified by
[CPMT 1981; MP PMT 1990; EAMCET 1998]
Options:
A) Distillation
B) Froth floatation
C) Cupellation
D) Treatment of $ KCN $
Show Answer
Answer:
Correct Answer: C
Solution:
Cupellation: If metal possess the impurity of another metal which forms volatile oxide.
Then cupellation method is used.
BETA
