Write down the number of 3 d electrons in each of the following ions-Ti 2- V 2- Cr 3- Mn 2- Fe 2- Fe 3- CO 2- Ni 2- and Cu 2-Indicate how would you expect the five 3 d orbitals to be occupied for these hydrated ions octahedral-

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Electron Gain Enthalpy

Write down th...

Question

Write down the number of 3d electrons in each of the following ions:

Ti²⁺, V²⁺, Cr³⁺, Mn²⁺, Fe²⁺, Fe³⁺, CO²⁺, Ni²⁺ and Cu²⁺.

Indicate how would you expect the five 3d orbitals to be occupied for these hydrated ions (octahedral).

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M^{2 +}

Z n^{2 +} > S c^{2 +} = C u^{2 +} > T i^{2 +} = N i^{2 +} > V^{2 +} = C o^{2 +} > C r^{2 +} = F e^{2 +} > M n^{2 +}

C u^{+}, F e^{2 +}, M n^{2 +}, C r^{3 +}, S c^{3 +}, T i^{4 +}

C u^{2 +}, N i^{2 +}, C o^{2 +}, F e^{2 +}

M n^{2 +}

V^{2 +} < C r^{2 +} < M n^{2} < F e^{2 +}

N i^{2 +} < C o^{2 +} < F e^{2 +} < M n^{2 +}

C o^{3 +} < F e^{3 +} < C r^{3 +} < S c^{3 +}

S c < T i < C r < M n

C u^{+}, F e^{2 +}, M n^{2 +}, C r^{3 +}, S c^{3 +}, T i^{4 +}

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