5. If a compound has several individual dipoles, then: 
 I: It is ionic. 
II: It is polar overall. 
 III: It is a planar molecule. 
 IV: It doesn't have resonance. 
V: There is an electronegativity difference between the bonded atoms.  

(A) I only
(B) II only
(C) V only
(D) II, V
(E) All of the above statements are correct. 

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統計： A(1), B(1), C(0), D(1), E(0) #1350385