Use the electronegativity values in Figure 1.14 to predict which of the indicated bonds in each of the following sets is more polar. Tell the direction of the polarity in each.

(a) ClOCH₃ or ClOCl

(b) HOCH₃ or HOCl

(c) HOOCH₃ or (CH₃)₃SiOCH₃

Fig 1.14

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H 2.1 Li Be 1.0 1.6 Na Mg 0.9 1.2 Cr Mn Fe Co Ni Cu 1.6 1.6 1.5 1.8 1.9 1.9 1.9 K Ca Sc Ti V 0.8 1.0 1.3 1.5 Rb Sr Y Zr 0.8 1.0 1.2 1.4 Cs Ba La Hf 0.7 0.9 1.0 1.3 B C N O F 2.0 2.5 3.0 3.5 4.0 Ta W 1.5 1.7 AI 1.5 Zn Ga 1.6 1.6 1.9 1.7 1.7 Nb Mo Tc Ru Rh Pd Ag Cd In 1.6 1.8 1.9 2.2 2.2 2.2 Re Os Ir Pt 1.9 2.2 2.2 2.2 Au Hg ΤΙ 2.4 1.9 1.8 Si P S CI 1.8 2.1 2.5 3.0 Ge As 1.8 2.0 2.4 Se Br 2.8 Sn Sb Te 1.8 1.9 2.1 Pb 1.9 I 2.5 Bi Po At 1.9 2.0 2.1 He Ne Ar Kr Xe Rn