(C) The given chemical equation represents the $Van-Arkel$ process.This method is specifically used for the refining of metals like $Ti$ (Titanium) an

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(C) The given chemical equation represents the $Van-Arkel$ process.This method is specifically used for the refining of metals like $Ti$ (Titanium) and $Zr$ (Zirconium).In this process,the impure metal is converted into a volatile iodide compound,which is then thermally decomposed to obtain the pure metal.

Class 11 Chemistry Data Entry - Chemistry Level 0 of all question bank

Which process of purification is represented by the following equation :
$Ti$ (Impure) $+ 2I_2$ $\xrightarrow{250 \ ^\circ C}$ $TiI_4$ $\xrightarrow{1400 \ ^\circ C}$ $Ti$ (Pure) $+ 2I_2$

A
Cupellation
B
Poling
C
Van-Arkel Process
D
Zone refining

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Which process of purification is represented by the following equation :$Ti$ (Impure) $+ 2I_2$ $\xrightarrow{250 \ ^\circ C}$ $TiI_4$ $\xrightarrow{1400 \ ^\circ C}$ $Ti$ (Pure) $+ 2I_2$

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Which of the following does not decolourise iodine?

Assertion $(A)$: $-NH_2$ group of aniline is ortho,para directing in electrophilic substitutions.Reason $(R)$: $-NH_2$ group stabilises the arenium ion formed by the ortho,para attack of the electrophile.The correct answer is

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Which process of purification is represented by the following equation :
$Ti$ (Impure) $+ 2I_2$ $\xrightarrow{250 \ ^\circ C}$ $TiI_4$ $\xrightarrow{1400 \ ^\circ C}$ $Ti$ (Pure) $+ 2I_2$

Assertion $(A)$: $-NH_2$ group of aniline is ortho,para directing in electrophilic substitutions.
Reason $(R)$: $-NH_2$ group stabilises the arenium ion formed by the ortho,para attack of the electrophile.
The correct answer is