Chemistry 112 Pre-Laboratory Questions 1. The solubilities of four unknown compo

Question

Chemistry 112 Pre-Laboratory Questions 1. The solubilities of four unknown compounds (A, B, C, and D) were tes ted in (CHCH,CH-CH-CH). The results of the solubility tests are provided below data, determine whether compounds A, B, C, and D are polar or nonpolar ater and 1-hexene ided below. From the solubility polar or nonpolar Solubility in water insoluble soluble soluble soluble Solubility in 1-hexene soluble insoluble insoluble insoluble lar or Nonpolar Compound Olar 2. The electrical conductivities of the unknown compounds (A, B, C, and D) were determined using a conductivity detector. The results of the conductivity tests are provided below. Determine whether compounds A, B, C, and D are strong, weak, or nonelectrolytes. Compound Strong/Weak/Nonelectrolyte Conductivity Test LED does not light LED does not light LED lights brightly LED lights dimly 49

Explanation / Answer

1) OH-CH2-CH2-NH2   : Unknown Compound B

2) C5H9-CH3              : Unknown Compound A

3) HClO2                   : Unknown Compound D

4) LiCl                       : Unknown Compound C

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