an optically active compound..............HELP......

[Toothguy80]

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In achiver, it says that an optically active compound is one that has a chiral center that forms an enantiomer with one in excess.

The other options are that it forms a racemic mixture,
does not rotate plane of polarized light
it's levorotaroary..
dextorotrary....

forgive my spelling..

what is a racemic mixture?
how do you know that an optically active compound forms enantiomers with one in excess?

 

[Anemone]

In achiver, it says that an optically active compound is one that has a chiral center that forms an enantiomer with one in excess.

The other options are that it forms a racemic mixture,
does not rotate plane of polarized light
it's levorotaroary..
dextorotrary....

forgive my spelling..

what is a racemic mixture?
how do you know that an optically active compound forms enantiomers with one in excess?

racemic mixtures have equal amounts of right and left handed enantiomers of a certain chiral molecule.they rotate plane polarized light in opposite directions,ergo cancel each other out. if you start with a chiral molecule in sn1, you'll get a racemic mixture as your product, meaning that you lose the optical activity that comes with chirality(obviously assuming that it isnt meso).