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  • Which method of purification is represented by the following equation : <img alt="\mathrm{T i(s)+2 l_{2}(g) \stackrel{523 k}{\longrightarrow} T i l_{4}(g) \stackrel{1700 k}{\longrightarro

Which method of purification is represented by the following equation :

\mathrm{T i(s)+2 l_{2}(g) \stackrel{523 k}{\longrightarrow} T i l_{4}(g) \stackrel{1700 k}{\longrightarrow} T i(s)+2 l_{2}(g)}

Option: 1

Zone refining


Option: 2

Cupellation


Option: 3

Poling


Option: 4

Van Arkel Method


Answers (1)

best_answer

Van Arkel method which is also called as vapour - phase refining is used for preparing ultrapure metals like titanium zirconium, thorium, and uranium.

So, below equation is Van Arkel method of purification.

\mathrm{T i(s)+2 l_{2}(g) \stackrel{523 k}{\longrightarrow} T i l_{4}(g) \stackrel{1700 k}{\longrightarrow} T i(s)+2 l_{2}(g)}

Option 4 is correct.

Posted by

Pankaj

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