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The d-and f-Block Elements

Chemical Properties of the Transition Elements (d-Block)

The correct order of E_{M^{2+}}^{} / M values with negative si

Question

Hard

Solving time: 4 mins

The correct order of $E_{M^{2 +}}^{\circ} / M$ values with negative sign for the four successive elements $Cr, Mn, Fe$ and $Co$ is

Mn > Cr > Fe > Co

Cr > Fe > Mn > Co

Fe > Mn > Cr > Co

Cr > M n > F e > C o

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Updated on: Oct 7, 2023

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The correct order of

E_{M^{2 +}}^{\circ} / M

values with negative sign for the four successive elements

Cr, Mn, Fe

and

Co

5 mins ago

Discuss this question LIVE

5 mins ago

Text solutionVerified

Usually across the first transition series, the negative values for standard electrode potential decrease except for Mn due to stable

d^{5}

configuration. So, correct order;

Mn > Cr > Fe > Co

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Question Text	The correct order of $E_{M^{2 +}}^{\circ} / M$ values with negative sign for the four successive elements $Cr, Mn, Fe$ and $Co$ is
Updated On	Oct 7, 2023
Topic	The d-and f-Block Elements
Subject	Chemistry
Class	Class 12
Answer Type	Text solution:1 Video solution: 4
Upvotes	494
Avg. Video Duration	8 min

The correct order of $E_{M^{2 +}}^{\circ} / M$ values with negative sign for the four successive elements $Cr, Mn, Fe$ and $Co$ is

Text solutionVerified

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