ORGANIC CHEMISTRY Chapter 6 Questions When does the carbon-halogen bond break? Does it break at the same time that the new bond between the nucleophile and the carbon forms? Nu: +R-X Nu--R--X R-Nu+X g Or does carbon-halogen bond break first? R-X—R++X And then Nu:+R+—-R-Nu Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 6 Questions When does the carbon-halogen bond break? Does it break at the same time that the new bond between the nucleophile and the carbon forms? Nu + R X Nu R X R Nu + X δ δ Or does carbon-halogen bond break first? R X R + X And then Nu + R R Nu