Lewis Dot Structures With Resonance

Which of the following molecules exhibits resonance? A) \text{O}{3} B) \text{CO}{2} C) \text{H}{2}\text{O} D) \text{CH}{4}

How many resonance structures can be drawn for \text{NO}_{3}^{-}? A) 1 B) 2 C) 3 D) 4

Which of the following is a valid resonance structure for \text{C}{6}\text{H}{6}? A) \text{C}{6}\text{H}{5}\text{NO}{2} B) \text{C}{6}\text{H}{6} C) \text{C}{6}\text{H}{6}^{+} D) \text{C}{6}\text{H}_{6}^{-}

What is the formal charge of nitrogen in \text{NO}_{3}^{-} when it has a double bond with one oxygen atom? A) 0 B) +1 C) -1 D) +2

How many total valence electrons are present in \text{C}{2}\text{H}{4}\text{O}? A) 10 B) 12 C) 14 D) 8

What is a common feature of molecules that exhibit resonance? A) Fixed arrangement of bonds B) Multiple valid structures C) Single bond types D) No lone pairs

Which of the following molecules does NOT exhibit resonance? A) \text{SO}{2} B) \text{CO}{3}^{2-} C) \text{C}{2}\text{H}{6} D) \text{NO}_{2}^{-}

In the resonance hybrid of \text{C}{6}\text{H}{6}, how are the bonds represented? A) Single bonds B) Double bonds C) Dotted lines D) Triple bonds

Which resonance structure of \text{NO}_{2}^{-} has the lowest energy? A) Structure with two double bonds B) Structure with one double bond and one single bond C) Structure with two single bonds D) All have the same energy