1.

Matchthe itemsofColumnIwiththeitemsofColumn IIandassignthecorrectcode : {:(, "Column I",,,"Column II"),((A), "Coloured bands",,(1),"Zone refining"), ((B),"Impure metal to volatile complex",,(2), "Fractionaldistillation"), ((C ), "Purification of Ge and Si",,(3), "Mond Process"), ((D), "Purification",,(4), "Chromatography"), (,,,(5), "Liquation"):}

Answer»

A(1) `"" `B(2) `""`C(4)`""`D(5)
A(4) `"" `B(3) `""`C(1)`""`D(2)
A(3) `"" `B(4) `""`C(2)`""`D(1)
A(5) `"" `B(4) `""`C(3)`""`D(2)

Solution :Explanation. Colouredbandsare formedinchromatography. In Mond'sprocess,theimpureNi metalforms avolatile nickeltetracarbonyl,`Ni(CO)_4 `. PurificationofGeand Si is carriedoutbyzone REFINING. Mercurybeingaliquidis purifiedbyfractionaldistillation.


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