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A+ B- (ionic) is formed in the following steps from gaseous atoms.A(g)⟶A+(g)+e−; ΔH=5.5eVB(g)+e−⟶B−(g); ΔH=−1.5eV, rB=0.20nm Ionic strength =1.44z1z2r2eVHow much energy is required to transfer one electron from A to B?

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answer is 4.

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Detailed Solution

A(g)→A+(g)+e−; ΔH=5.5eVB(g)+e−→B−(g); ΔH=−1.5eVA(g)+B(g)→A+B−; ΔH=4.0eVF=1.44z1z2r2eV=1.44z1z2rAB2 F=4.0eV

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