Question

Problem 4.38 Show the direction of polarity for each of the covalent bonds in each of the following compounds using the δ+/δ− notation.

Part A      C−H

δ+C−Hδ−

δ−C−Hδ+

Part B      C−Cl

δ+C−Clδ−

δ−C−Clδ+

Part C      Si−Li

δ+Si−Liδ−

δ−Si−Liδ+

Part D     Si−Cl

δ+Si−Clδ−

δ−Si−Clδ+

Part E    N−Cl

δ+N−Clδ−

δ−N−Clδ+

Part F      N−Mg

δ+N−Mgδ−

δ−N−Mgδ+

Answer 1

Part A      C−H

δ−C−Hδ+

Part B      C−Cl

δ+C−Clδ−

Part C      Si−Li

δ−Si−Liδ+

Part D     Si−Cl

δ+Si−Clδ−

Part E    N−Cl

δ+N−Clδ−

Part F      N−Mg

δ−N−Mgδ+

You can check by the following table