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Question 18 4 pts Which compound would give the following elemental analysis? C:87.19 H: 12.61 B...
Which compound would give the following elemental analysis? C: 87.19 H: 12.81 A. B. C D ОА С B OD
Predict the product CH, MOB (excess) then workup HC OH OH H₃C. OH CH, CH OH А B с OA OB Oc OD Question 2 5 pts Which compound would react the fastest with a nucleophile? А с D ОА OB Ос OD U Question 3 5 pts Which compound that would react the fastest in an Sw1 reaction? OA
Question 19 (2 points) How many signals would you expect in the 'H NMR spectrum of the following compound? O a) 4 Ob) 5 O c) 6 d) 7 Question 20 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? It til OCH,CH,CH o CH2CH2CHE 11 OH OH CH2CH2CH3 CH2CH2CH3 III IV O a) 1 Ob) III Oc) Od) IV
Question-18. Which of the following compound will have high boiling point? HH H-.-.-H HHHH H-c-c-cı H---OH HH HH HH A Question-19. What is the IUPAC name for the following compound? mpound? LOH SI NO W A. 4 Chloro-5-nitrophenol 4 Chloro-2-nitrophenol C. 4 Chloro-2-nitrocyclohexanol 4 Chloro-5-nitrocyclohexanol Question 20. Alcohols with small carbon chains do not readily mix with wat immiscible in water. This statement is: A. True B. False
3. An elemental analysis of an organic compound showed the following results: C = 82.66 %, H = 17.34 %. A 1.34 g of that compound was vaporized and was found to occupy 520 ml at -1 °C and 750 torr. What is the molecular weight and molecular formula of the compound?
3. An elemental analysis of an organic compound showed the following results: C = 82.66 %, H= 17.34 %. A 1.34 g of that compound was vaporized and was found to occupy 520 ml at -1 °C and 750 torr. What is the molecular weight and molecular formula of the compound? be 4. Compute the approximate density of ethane, CH3CH3, at 27°C and 3.00 atm. The molecular weight of ethane is 30.07.
Question 19 (2 points) Which of the following compounds will undergo the fastest SN 1 reaction? Br BI Br Br 1 I! II! IV oa) III ob) IV OC) 11 od) 1 Question 20 (2 points) In the molecule shown below, determine which of the highlighted C-H bonds a to d is expected to have the lowest bond dissociation energy? HU Hd Oa) C-Hb ob) C-HC Oc) C-Hd od) C-Ha
3. An elemental analysis of an organic compound showed the following results: C = 82.66 %, H = 17.34 %. A 1.34 g of that compound was vaporized and was found to occupy 520 ml at -1 °C and 750 torr. What is the molecular weight and molecular formula of the compound?
3. An elemental analysis of an organic compound showed the following results: C = 82.66 %, H = 17.34 %. A 1.34 g of that compound was vaporized and was found to occupy 520 ml at -1 °C and 750 torr. What is the molecular weight and molecular formula of the compound?
Question 9 4 pts Which of the following species is amphoteric? A) CO32- B) HF C) NH* D) HPO 2 ОА OD OB Ос 4 pts Question 10