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?

Which of the following compounds exhibits both optical and geometrical isomerism?

Geometrical shapes of the complexes formed by the reaction of ${\rm{N}}{{\rm{i}}^{2 + }}{\rm{\;with\;C}}{{\rm{l}}^ - },{\rm{C}}{{\rm{N}}^ - }{\rm{\;and\;}}{{\rm{H}}_2}{\rm{O}}$, respectively, are

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

How many isomers, including stereoisomers, are possible for the compound with the molecular formula $C_3H_5Cl$?

An organic compound with molecular formula $C_6H_{10}$ exhibits optical isomerism and decolorizes bromine water. It does not show geometrical isomerism. Which of the following could be the compound?

The total number of possible structural isomers of the compound $\left[ {{\rm{C}}{{\rm{u}}^{{\rm{II}}}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_4}} \right]\left[ {{\rm{P}}{{\rm{t}}^{{\rm{II}}}}{\rm{C}}{{\rm{l}}_4}} \right]$ are:

How many stereoisomers are possible for 1,2-dimethylcyclopropane?

Which kind of isomerism is exhibited by octahedral ${\rm{Co}}{\left( {{\rm{N}}{{\rm{H}}_3}} \right)_4}{\rm{B}}{{\rm{r}}_2}{\rm{Cl}}$ ?

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?

For the given complex ${\left[ {{\rm{CoC}}{{\rm{l}}_2}\left( {{\rm{en}}} \right){{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_2}} \right]^ + },$ the number of geometrical isomers, the number of optical isomers and total number of isomers of all type possible respectively are