Purification And Characterisation Of Organic Compounds Question 152
Question: Cryolite is
Options:
A) $ Na_3AlF_6 $ and used in the electrolysis of alumina for decreasing electrical conductivity
B) $ Na_3AlF_6 $ and used in the electrolysis of alumina for lowering the melting point of alumina
C) $ Na_3AlF_6 $ and used in the electrolytic purification of alumina
D) $ Na_3AlF_6 $ and used in the electrolysis of alumina
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ Na_3AlF_6 $ is cryolite and used in the electrolysis of alumina to lower the melting point and increase electrical conductivity.
BETA
