Question 1
Draw the Lewis structures of the molecules below. Which of these molecules will exhibit resonance?
I. | BH3 |
II. | NO2 |
III. | SF6 |
IV. | O3 |
V. | PCl5 |
Reference: Ref 4-2
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I, II◦
II, IV◦
II, V◦
III, IV◦
III, VQuestion 2
For the elements Ba, F, and N, the order of increasing electronegativity is:
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Ba < F < N.◦
Ba < N < F.◦
N < F < Ba.◦
F < Ba < N.◦
none of these are correct.