Purification And Characterisation Of Organic Compounds Question 104
Question: Main function of roasting is
[MP PET/PMT 1988]
Options:
A) To remove volatile substances
B) Oxidation
C) Reduction
D) Slag formation
Show Answer
Answer:
Correct Answer: A
Solution:
To remove volatile substances.
$ S_8+8O_2\to 8SO_2\uparrow $ ;
$ P_4+5O_2\to P_4O _{10}\uparrow $
$ 4As+3O_2\to 2As_2O_3\uparrow $
BETA
