mak10 Posted October 13, 2004 Share Posted October 13, 2004 how many different forms of chloroethane are possible with the formula C2 H6-n Cln (hope the formula is clear)?? The examiner reports say 9 but when I try working it out... i get only 8. Can anyone decipher the 9th chloroethane by that formula?? thnx -mak10 Link to comment Share on other sites More sharing options...
m/z Posted October 13, 2004 Share Posted October 13, 2004 The 9 isoforms for n > 0 are: 1) CH3-CH2Cl 2) CH3-CHCl2 3) CH2Cl-CH2Cl 4) CH3-CCl3 5) CH2Cl-CHCl2 6) CH2Cl-CCl3 7) CHCl2-CHCl2 8) CHCl2-CCl3 9) CCl3-CCl3 Regards, m/z Link to comment Share on other sites More sharing options...
mak10 Posted October 13, 2004 Author Share Posted October 13, 2004 the last compund: CCl3-CCl3 << is this really a 'chloroethane'?? Isn't ethane supposed to have at least one C-H ?? -mak10 Link to comment Share on other sites More sharing options...
m/z Posted October 13, 2004 Share Posted October 13, 2004 Perhalogenated alkanes (CnX2n+2) are still classified as alkanes. Please find attached the CAS (Chemical Abstracts Service) entry for C2Cl6: Formula: C2 Cl6 CA Index Name: Ethane, hexachloro- (8CI,9CI) Other Names: 1,1,1,2,2,2-Hexachloroethane; Avlothane; Distokal; Distopan; Distopin; Egitol; Ethane hexachloride; Falkitol; Fasciolin; Fron 110; Hexachlorethane; Hexachloroethane; Hexachloroethylene; Mottenhexe; NSC 9224; Perchloroethane; Phenohep Link to comment Share on other sites More sharing options...
mak10 Posted October 13, 2004 Author Share Posted October 13, 2004 Thanks for clearing that out... appreciate it! -mak10 Link to comment Share on other sites More sharing options...
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