1. Describe the number of signals, the splitting pattern, the chemical shift, and the integration value for each unique set of protons in the following fragments: (Choose the answer that puts them in the correct order). Assume and hydrogen that could have "offscreen" neighbors does not have any. -OCH2CH3-CH=C(CH3)2; -CH2-ethynyl 1.2 signals, q and t, 3.5 and 1.8, 2 and 3, 2.2 signals, d and t, 3.5 and 1.8, 2 and 3 3.3 signals, s and s, 5.7 and 2.2, 1 and 3 and 3 4.2 signals, s and s, 2.3 and 1.5, 2 and 1, 01: 3:2 1: 3:4 1;2:3 2:3;4