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Which outcome occurs when intermolecular forces weaken in octane?

A)Reduced viscosity at operating temperature
B)Increased engine knocking probability
C)Higher octane number classification gained
D)Greater energy production upon combustion

💡 Explanation

Decreased intermolecular forces cause lowered viscosity because molecules slide past each other more easily than before via reduced attractions. Therefore, the viscosity decreases, rather than engine knock increasing due to altered combustion or energy output changes.

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