16.38 The 1 H NMR spectrum of a compound (C 10 H 13 BrO) is shown in Figure 16.10. The com- pound gives benzyl bromide, along with a second compound C 3 H 6 Br 2 , when heated with HBr. What is the ﬁrst compound? 16.40 Make a molecular model of dimethyl sulﬁde. How does its bond angle at sulfur compare with the C±O±C bond angle in dimethyl ether?