Question

) 5, which ofthe following statements about/resonance istrue? - A) Resonance forms are in equilibrium with each other. B) Resonance allows certain electron pairs to be delocalized over 2 or more atoms. C) Resonance forms differ in their arrangement of both atoms and electrons. D) All resonance forms of a molecule must contribute equally to the resonance hybrid. E) The more resonance forms a molecule has, the less stable the molecule. 6. What is the bond angle about atoms (I), C, and (2), N, in the following molecule? ()C (2) N A) 120 90° B) 109.5 180° C) 1200 109.5。 D) 90 120° E) 180109.5 7. How many hydrogen atoms are bonded to each of the labeled carbon atoms in the following skeletal structure A) 0 21 B) 1 1 0 C) 2 1 D 1 2 0 E) 0 0 2 E- 8. What is the hybridization of the labeled atoms in the following structure? 1) (2) 3) B) sp sp sp C) sp sp sp D sp sp sp Page ㄣ

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5. Which of the following statements about/resonance is true? A) Resonance forms are in equilibrium with each other. B) Resonance allows certain electron pairs to be delocalized over 2 or more atoms. Resonance forms differ in their arrangement of both atoms and electrons. All resonance forms of a molecule must contribute equally to the resonance hybrid. E) The more resonance forms a molecule has, the less stable the molecule. 6. What is the bond angle about atoms (I), C, and (2), N, in the following molecule? A) 120 90° ()C (2) N B) 109.5 180 E) 180° 109.5 7. How many hydrogen atoms are bonded to each of the labeled carbon atoms in the 120° 109.5 90° 120° following skeletal structure A) 0 2 1 0 D1 2 0 E) 0 0 2 8. What is the hybridization of the labeled atoms in the following structure? 1) (2) 3) A) sp' sp' sp B) sp sp sp D) sp' sp sp 助ノのゆ ㄣ