Which of the following contain/s polar 1 point bonds but overall, is/are a nonpolar molecule? * PCI5 CO2 PC13 NC13 Arrange the following in decreasing 1 point order with respect to relative acidity of the highlighted H atom in each of the following: ~pKa: terminal alkyne = 25, ammonia = 35, water = 15) * - CH3CEC-H H2N-H i ii i i > iii > ii i> ii > iii iii > i > i O ii > i > ii Which of the following is/are both a 1 point Lewis Acid and Brnsted Acid? Please select * ) - ) ,3- ) N D) F- E) BF; C E A D Which of the following carbocations has the highest energy: * 1 point CH2 CH3 CH3 CH3 IV O IV II