Purification And Characterisation Of Organic Compounds Question 49

Question: The molecular formula of cryolite is

[AFMC 1999; MP PET 2002]

Options:

A) $ Fe_3O_4 $

B) $ Na_3AlF_6 $

C) $ Na_2Al_2O_3 $

D) All of these

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Answer:

Correct Answer: B

Solution:

Cryolite is an ore of $ Al $ containing $ Na_3AlF_6 $ .