TS EAMCET 9-Sep-2020 Shift 2 Solved Paper

It is a form of isomerism displayed by unsaturated compounds or by ring compounds, where rotation about carbon bond is restricted C2F⋅Cl⋅Br⋅I also show geometrical isomerism as follows.Hence, C2F⋅Cl⋅Br⋅I has six geometrical isomers and therefore, option (c) is the correct answer.