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NEET-XII-Chemistry

Previous Year Paper year:2018

with Solutions - page 2
Qstn# 65 Prvs-QstnNext-Qstn
  • #65
    Considering Ellingham diagram, which of the
    following metals can be used to reduce alumina ?
    (1) Fe
    (2) Zn
    (3) Mg
    (4) Cu
    digAnsr:   3
    Ans : (3)
    Sol. Mg has more -â–µG value then alumina. So it will be
    in the lower part of Ellingham diagram. Metals
    which has more -â–µG value can reduce those metals
    oxide which has less -â–µG value.