Which of the following represents the correct order of stability for the given oxidation states?

  • A
    $CrO_4^{2-} > MnO_4^{2-} > FeO_4^{2-}$
  • B
    $CrO_4^{2-} < MnO_4^{2-} < WO_4^{2-}$
  • C
    $Se(+VI) > Te(+VI) > Po(+VI)$
  • D
    All of the above

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Similar Questions

Which of the following transition metals is used as a catalyst?

Which of the following have the same number of unpaired electrons in $d$ orbitals?

Which of the following statements are correct?
$(i)$ $V^{2+}$ liberates hydrogen from a dilute acid.
$(ii)$ The earlier members of the lanthanide series behave more like aluminium.
$(iii)$ The 'silver' $UK$ coins are made of $Cu/Ni$ alloy.
$(iv)$ The maximum oxidation state exhibited by Neptunium is $+7$.

Which one is wrong in the following statements?

Match the element in column $I$ with that in column $II$.
Column - $I$ Column - $II$
$(a)$ Copper $(i)$ Non-metal
$(b)$ Fluorine $(ii)$ Transition Metal
$(c)$ Silicon $(iii)$ Lanthanoid
$(d)$ Cerium $(iv)$ Metalloid

Identify the correct match:

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