Question

1. Rate of a certain substitution reaction was found to be higher in DMSO (dimethyl sulfoxide) than in water. Based on this, what can you conclude? Why? A. This is SN1 reaction, for which rate is higher in sulfur containing solvents. B. Since rate is higher in DMSO, which is a non-polar solvent, this must be a SN2 reaction. C. This is SN1 reaction because rate of SN1 is higher in polar aprotic solvents. D. This is SN2 reaction because rate of SN2 is lower in solvents that can form hydrogen bonds. E. Since no nucleophile is mentioned, this must be a SN1 reaction.

          1. Rate of a certain substitution reaction was found to be higher in DMSO (dimethyl sulfoxide) than
in water. Based on this, what can you conclude? Why?
A. This is SN1 reaction, for which rate is higher in sulfur containing solvents.
B. Since rate is higher in DMSO, which is a non-polar solvent, this must be a SN2 reaction.
C. This is SN1 reaction because rate of SN1 is higher in polar aprotic solvents.
D. This is SN2 reaction because rate of SN2 is lower in solvents that can form hydrogen bonds.
E. Since no nucleophile is mentioned, this must be a SN1 reaction.

1. Rate of a certain substitution reaction was found to be higher in DMSO (dimethyl sulfoxide) than
in water. Based on this, what can you conclude? Why?
A. This is SN1 reaction, for which rate is higher in sulfur containing solvents.
B. Since rate is higher in DMSO, which is a non-polar solvent, this must be a SN2 reaction.
C. This is SN1 reaction because rate of SN1 is higher in polar aprotic solvents.
D. This is SN2 reaction because rate of SN2 is lower in solvents that can form hydrogen bonds.
E. Since no nucleophile is mentioned, this must be a SN1 reaction.

Added by Consuelo I.

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