Purification And Characterisation Of Organic Compounds Question 192
Question: Extraction of zinc from zinc blende is achieved by
Options:
A) roasting followed by self-reduction
B) electrolytic reduction
C) roasting followed by reduction with carbon
D) roasting followed by reduction with another metal
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Extraction of Zn from zinc blends is achieved by roasting followed by reduction with carbon.
Reactions involved are: $ 2ZnS+3O_2\xrightarrow{heat}2ZnO+2SO_2( Roasting ) $
$ ZnO+C( Coke )\xrightarrow{heat}Zn+CO( Reduction ) $
BETA
