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Which outcome occurs when mismatched electron shells overlap weakly during a chemical reaction?

A)Increased quantum tunneling probability
B)Auger electron emission decreases
C)Intersystem crossing probability increases
D)Franck-Condon factor approaches zero

💡 Explanation

Increased quantum tunneling probability occurs because the overlap defines the potential barrier width; the WKB approximation predicts greater tunneling with thinner barriers, therefore electron penetration increases rather than showing reduced electron transit

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