Solutions_Manual_for_Organic_Chemistry_6th_Ed 107

Solutions_Manual_for_Organic_Chemistry_6th_Ed 107 - 6-5...

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6-5 From the text, Section 2-9B, the bond dipole moment depends not only on bond length but also on charge separation, which in tum depends on the difference in electronegativities of the two atoms connected by the bond. Because chlorine's electronegativity (3.2) is significantly higher than iodine's (2.7), the C-Cl bond dipole is greater than that of C-I, despite C-I being a longer bond. 6-6 (a) n-Butyl bromide has a higher molecular weight and less branching, and boils at a higher temperature than isopropyl bromide. (b) t-Butyl bromide has a higher molecular weight and a larger halogen, and despite its greater branching, boils at a higher temperature than isopropyl chloride. (c) n-Butyl bromide has a higher molecular weight and a larger halogen, and boils at a higher temperature than n-butyl chloride. 6-7 From Table 3-2, the density of hexane is 0.66; it will float on the water layer (d 1.00). From Table 6-2, the density of chloroform is 1.50; water will float on the chloroform. Water is immiscible with many
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