Verified Solution • 2025–26 Session moderate

QJEEM04Ch0331: JEE Main 2004 Chemistry - Class 12 JEEM04Ch0331 Solution: The values for Cr, Mn, Fe and Co are – 0.41, +1.57, + 0.77 and…

The EM3+/M2+oE_{{M^{3 + }}/{M^{2 + }}}^o values for Cr, Mn, Fe and Co are – 0.41, +1.57, + 0.77 and +1.97 V respectively. For which one of these metals the change in oxidation state form +2 to +3 is easiest?

Multiple Choice Options

  • A Fe
  • B Mn
  • C Cr
  • D Co

Step-by-Step Verified Solution

The given values show that CrCr has maximum oxidation potential, therefore its oxidation will be easiest. (Change the sign to get the oxidation values)

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