OC chad quiz error?

[joeeeey3]

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the solution says it's SN2 reaction but if you look at the answer, -SCH3 didn't get inverted.
is this an error?

 

[412smb412]

the solution says it's SN2 reaction but if you look at the answer, -SCH3 didn't get inverted.
is this an error?

the nucleophile is the S therefore the inversion is on the other molecule. but since it has no chiral centers there is no observable inversion.

 

[joeeeey3]

oh goodness, didnt catch that.

thx alot !

 

[NDPitch]

This one tripped me up today as well. Yikes. DAT is TOMORROW (today). I can't believe it.

 

[joeeeey3]

hahaha good luk bro. and tell us how u did afterwards !