In how many isomeric forms does the compound A exist ?

How many stereomeric forms are posible for the compound propanone ?

A tripeptide is composed equally of L-valine, L-tyrosine and L-alanine (one molecule of each). How many isomeric tripeptides of this kind may exist?

A tripeptide is composed equally of L-valine, L-tyrosine and L-alanine (one molecule of each). How many isomeric tripeptides of this kind may exist?

A tripeptide is composed equally of L - valine, L - tyrosine and L - alanine (one molecule of each). How many isomeric tripeptides of this kind may exist ___________.

C_(6)H_(4)(CH_(3))_(2) is present in how many isomeric forms (benzene derivatives).

C_(7)H_(9)N has how many isomeric forms that contain a benzene ring?

How many geometrical isomers of the compound [Pt(NH_(3))(Br)(Cl)(Py)] will show optical isomerism?