Benzoylacetonato beryllium exhibit isomerism of the type

The specific rotation of a pure enantiomer is $+ 16^\circ .$ Its observed rotation if it is isolated from a reaction with 25% recemisation and 75% retention is

A compound with molecular formula $C_4H_8O$ exhibits optical isomerism but doesn't react with Tollen's reagent. How many such isomers are possible?

The type of isomerism found in urea molecule is

The complexes $\left[ {{\rm{PtC}}{{\rm{l}}_2}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_4}} \right]{\rm{B}}{{\rm{r}}_2}{\rm{\;and\;}}\left[ {{\rm{PtB}}{{\rm{r}}_2}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_4}} \right]{\rm{C}}{{\rm{l}}_2}{\rm{\;}}$ are example for isomerism

Which of the following does not have optical isomer?

How many structural isomers are possible for the molecular formula $C_4H_9Cl$?

Exchange of coordination group by a water molecule in complex molecule results in:

The type of isomerism shown by the complex $\left[ {{\rm{Co}}\,{\rm{C}}{{\rm{l}}_{\rm{2}}}\,{{\left( {{\rm{en}}} \right)}_{\rm{2}}}} \right]$ is

In ${\left[ {{\rm{Cr}}{{\left( {{{\rm{C}}_2}{{\rm{O}}_4}} \right)}_3}} \right]^{3 - }}$, the isomerism shown is:

Which of the following will give maximum number of isomers?