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Q.

Zr+2I2→ZrI4→1800kZr+2I2 This sequence of reactions involved in

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a

Zone refining of zirconium

b

Van Arkel method for refining of zirconium

c

Mond ‘s process for refining of zirconium

d

Refining of zirconium by distillation

answer is B.

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Detailed Solution

Van Arkel Method is used for purification of Zr,Ti. Impurity removed is N2 or O2

Impure metal is heated with iodine to form  volatile metal iodide.Metal iodide on decomposition on metal surface liberates vapours of pure metal

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