1.

Which bond is more polar in the following pairs of molecules.(a) H3C-H,H3C-Br (b)H3C-NH2,H2C-OH (c) H3C-OH,H3C-SH

Answer»

(a) C-Br because Br is more electronegative than H

(b) C-O because O is more electronegative than N

(c) C-O because O is more electronegative than S



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