2. Which substance in each pair would be expected to be more volatile at a particular temperature? Explain your reasoni...
Predict which substance of each pair has the higher boiling point, and explain your reasoning. Then look up the substances in the Handbook of Chemistry and Physics to see if you were correct.
2 For each pair, decide which substance has the stronger London forces and explain your answer: al CH CH Clor CH CH Br CH,CH.CH,Cl or (CH),CHCI b| CH CH CI or CH CH CH CI Consider the following compounds: CHCI CH BECHI al Based on London forces, which of these would you expect to have the weakest intermolecular forces? Explain your answer. b Based on London forces, which of these would you expect to have the greatest heat of vaporization?...
h) F3 16. For each pair of bonds, predict which is the shorter. Simply explain your reasoning a) B-Cl. Ga-Cl b) P-S, P-O 17. For each pair of bonds, indicate the more polar bond and use 8+ or - to show the partial charge on each atom. a) B-O and P-S b) O-H and N-H c)S-Cl and B-F
1. For each pair of substances, identify which has the
highest melting point. For each, briefly explain your reasoning
To receive credit, you must show your work. STAPLE all pages before submitting your homework. Problems will be selected at random for grading, but a full answer key will be posted to Blackboard 1. solids, liquids, and solutions, and intermolecular forces. 1. For each pair of substances, identify which has the highest melting point. For each, briefly explain your reasoning a....
2. Which would you expect to be more sol Explain your reasoning. be more soluble in water, strontium thiosultado ntium thiosulfate or calcium thiosulfate? 3. Both chlorine and bromine can act as oxidizing agents. When KCl and Br2 are combined in the presence of methylene chloride, the color of the methylene chloride layer after thorough mixing is the color of bromine. Which is the stronger oxidizing agent, bromine or chlorine? Explain your reasoning.
8. Which element in each pair is MORE reactive? Explain your choice on the basis of IE, EA, or other. a. Pb or Cs b. Ca or Ba c. Si or Pa d. F2 or N2
Predict which member of each pair is more soluble in water. Explain your prediction Br
Predict which member of each pair is more acidic, and explain the reasons for your predictions. (a) cyclopentanol or 3-chlorophenol (b) cyclohexanol or cyclohexanethiol (c) cyclohexanol or cyclohexanecarboxylic acid (d) butan-1-ol or 2,2-dichlorobutan-1-ol
Which member of each pair has the greater polarizability (forming stronger dispersion forces)? Briefly explain your reasoning. a. CH 2 or butane b. Mg or Mg? c. XeCla or XeF
4.3. Which reaction which reaction in each pair would be expected to be faster? Explain. a. CHỊ CH, Ar-CHOSO,CH3 solvolysis in Ar-CHOSO,CH2CF, 80% ethanol Ar = 3, 5-bis-(trifluoromethyl)phenyl CHE S c-OCP or CHE solvolysis in -C-OCPh 100% ethanol CHE CHE CH OTS solvolysis in acetic acid C(CH₃)3 solvolysis in aqueous acetone OPNB CHg OPNB CH OTS LOTS Solvolysis in acetic acid reaction with Ki f. PhSO CH CH CI or PhSO,CHCI CHg 9. (CH3),CCH, ODNB or n CH ODNB solvolysis...