12. Arrange the following species in order of the shortest to the longest N-O bond:

(1)H₂NOH, (2)N₂O, (3)NO^⁺, (4)NO₂^-, (5)NO₃^-.
(A) 3, 2, 4, 5, 1
(B) 4, 2, 3, 5, 1
(C) 2, 3, 4, 1, 5
(D) 1, 5, 4, 2, 3
(E) 2, 3, 4, 5, 1

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