Purification And Characterisation Of Organic Compounds Question 137
Question: van Arkel method of purification of metals involves converting the metal to a
Options:
A) volatile stable compound
B) volatile unstable compound
C) non volatile stable compound
D) None of the above
Show Answer
Answer:
Correct Answer: A
Solution:
[a] $ Ti+2I_2\xrightarrow{523K}\underset{\begin{smallmatrix} Volatilestable \\ compound \end{smallmatrix}}{\mathop{TiI_4}} $
$ \xrightarrow{1700K}\underset{Puremetal}{\mathop{Ti}}+2I_2 $