Problem 2.25 Identify the most electronegative element in
each of the following molecules:
(a) CH2FCl
(b) FCH2CH2CH2Br
(c) HOCH2CH2NH2
(d) CH3OCH2Li
Answer Ca) is F, (b) is F, (c) is O and (d) is O.
Problem 2.26 Use the electronegativity table (Figure 2.2) to
predict which bond in each of vthe following sets is more
polar, and indicate the direction of bond polarity for each
compound.
(a) H3CXCl or ClXCl
(b) H3CXH or HXCl
(c) HOXCH3 or (CH3)3SiXCH3
(d) H3CXLi or LiXOH
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