問題詳情

2. Which of the following pairs is incorrect?
(A)NaNO2, sodium nitrite
(B)K2Cr2O7, potassium chromate
(C)Rb2O, rubidium oxide
(D) NH4CH3COO, ammonium acetate
(E)Mg(CN)2, magnesium cyanide

參考答案

答案：B
難度：困難0.208333
統計：A(1),B(5),C(8),D(4),E(2)