November 2023 1 2 Report
1. número de oxidación del azufre en las especies: H2S, SO3 , SO3-2 y Na2S2O2 respectivamente es:

A) (+1, +2, +4, +6) B) (-2, +4, +6, +2)

C) (-2, +6, +4, +2) D) (-2, +3, +4, +2)

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