Which method of purification is represented by the following equation- Ti s -2 I 2 g 523 K - T i I 4 g 1700 K - Ti s -2 I 2 g correct answer -1- wrong answer -0-25 A- Zone refiningB- CupellationC- Electrolytic refiningD- Van Arkel method

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Van Arkel - De Boer Method

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Question

Which method of purification is represented by the following equation?
$T i (s) + 2 I_{2} (g) 523 K - -- \to T i I_{4} (g) 1700 K - --- \to T i (s) + 2 I_{2} (g)$
(correct answer +1, wrong answer -0.25)

Zone refining

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Cupellation

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Electrolytic refining

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Van Arkel method

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Solution

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Similar questions

Z r + 2 I_{2} \to Z r I_{4} 1088 K - --- \to Z r + 2 I_{2}

T i (s) + 2 I_{2} (g) 523 k - - \to T i l_{4} (g) 1700 k - -- \to T i (s) + 2 I_{2} (g)

T i (s) + 2 l_{2} (g) 523 K - -- \to T i l_{4} (g) 1700 K - --- \to T i (s) + 2 l_{2} (g)

\frac{T i}{(i m p u r e)} + 2 I_{2} 500 k - -- \to T i I_{4} 1675 K - --- \to T i + \frac{2 I_{2}}{(p u r e)}

Which method of purification is represented by the following equations?

$N i + 4 C O$ $70^{\circ} C - -- \to$ $N i (C O)_{4}$ $180^{\circ} C - --- \to$ $N i + 4 C O$

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