Question

Van Arkel method of purification of metals involves converting the metal to a.

• A. Volatile stable compound
• B. Volatile unstable compound
• C. Non volatile stable compound
• D. None of the above

Answer 1

Answer: (A)

Volatile stable compound

Answer 2

$\mathrm { Ti } + 2 \mathrm { I } _ { 2 } \xrightarrow { 500 \mathrm {~K} } \underset { \substack { \text { Volatile } \\ \text { Stable compound } } } { \mathrm { TiI } _ { 4 } } \xrightarrow { 1700 \mathrm {~K} } \underset { \text { Pure metal } } { \mathrm { Ti } + 2 \mathrm { I } _ { 2 } }$