Question

Assertion: Zirconium can be purificed by Van Arkel method. Reason. Zrli is volatile and decomposes at 1800K. (1) Both assertion and reason are true and reason is the correct explanation of assertion (ii) Both assertion and reason are true but reason is not the conect explanation of assertion. (iii) Assertion is true but reason is false. (iv) Assertion is false but reason is true. (v) Assertion and reason both are wrong.​

Answer 1

(i) Both assertion and reason are true and reason is the correct explanation

   of assertion.

Zirconium is purified by Van Arkel method. In this method impure metal is converted into a volatile compound while impurities are unaffected. The volatile compound is decomposed electrically to get pure metal.

Similarly, zirconium is treated with iodine to form ZrI₄  which on heating decomposes to give pure Zr.

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Answer 2

Answer:

option A is the right answer

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