You think probable to cycloocta-1,5-diene.
If the formula was intended to be PCl5, the compound is phosphorus pentachloride.
The Correct Chemical Name is: xenon tetrafluoride
dialuminium trisulphide?
The chemical formula FeI3 is for iron triiodide.
The correct name for the compound FeCl3 is iron(III) chloride.
The correct compound formula for Chromium(III) oxide is Cr2O3.
The correct name for the compound NCl3 is nitrogen trichloride.
The correct name for the compound K2S is potassium sulfide.
The correct compound name for AlF3 is aluminum fluoride.
The correct compound name for BaO is barium oxide.
The correct name for the compound PCI is phosphorus trichloride.
The correct name for the compound CS2 is carbon disulfide.
The correct name of the compound N2O4 is dinitrogen tetroxide.
The correct name for the compound S3Cl2 is disulfur dichloride.
The correct name for HgO compound is mercury(II) oxide.
If the formula was intended to be PCl5, the compound is phosphorus pentachloride.
The correct name of the compound Na3PO4 is sodium phosphate.