What does the "2" in SN² signify? It signifies the word bio-molecular. It signifies the rate dependence on the concentrations of

Question

What does the "2" in SN² signify?
It signifies the word bio-molecular.
It signifies the rate dependence on the concentrations of both the nucleophile and the substrate.
It signifies the fact that the reaction is always reversible (happens in 2 opposing directions).
It signifies the fact that there are two species involved in the reaction: The nucleophile and the substrate.

Kunduz · Accepted Answer

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