MGIMS WARDHA MGIMS WARDHA Solved Paper-2015

  • question_answer
    One of the following metals forms a volatile compound and this property is taken advantage for its extraction. This metal is

    A)  iron                      

    B)  nickel

    C)  cobalt                  

    D)  tungsten

    Correct Answer: B

    Solution :

                    Ni combines with CO to form volatile\[Ni{{(CO)}_{4}}\]which decomposes to give pure Ni metal and CO on heating. \[\underset{Volatile}{\mathop{Ni{{(CO)}_{4}}}}\,\xrightarrow[{}]{Heat}\underset{Metal}{\mathop{Ni}}\,+CO\uparrow \]


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