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Metallurgy — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryMetallurgy1 Mark
MCQ
Consider the following statements.
(i) Ellingham drawn on a plot by considering the temperature in the x-axis and the standard free energy change for the formation of metal oxide in y-axis.
(ii) The resultant plot is straight line.
(iii) In the Ellingham diagram, ∆H as slope and ∆S as y-intercept.
Which of the above statement(s) is / are not correct?
  • A
    (i) and (ii)
  • B
    (ii) and (iii)
  • C
    (ii) only
  • ✓
    (iii) only
✓

Answer

Correct option: D.
(iii) only
(iii) only

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