70. Which “P” in the following compounds has the lowest oxidation state?
(A) Phosphoric acid
(B) Phosphorous acid
(C) Hypophosphorous acid
(D) Sodium phosphide
(E) Black phosphorus
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統計: A(4), B(1), C(6), D(63), E(13) #2356356
統計: A(4), B(1), C(6), D(63), E(13) #2356356