無機化學-金屬1
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
永豪 劉
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 7 pts
化學反應中,顏色常伴隨著反應的進行而改變。下列對於反應中顏色變化的敘述,哪些正確?(甲)以濃硝酸溶解銅片,會產生紅褐色的一氧化氮氣體;(乙)加熱封閉容器中的 NO2 與 N2O4 的混合氣體,會使顏色變深;(丙)以稀鹽酸溶解鐵鏽,再加入 KSCN 溶液中,產生紅棕色氣體;(丁)用銅網包住少量鈉金屬後,放入含有酚酞的無色水溶液中,溶液會變為粉紅色
2.
MULTIPLE CHOICE QUESTION
45 sec • 7 pts
關於鐵與其化合物的敘述,下列何者正確?
普魯士藍Fe4[Fe(CN)6]3 ,配位中心之 Fe 的氧化數為+2
含碳量:生鐵<鋼<熟鐵
為防止鐵生鏽,可將鐵器彎曲
3.
MULTIPLE CHOICE QUESTION
45 sec • 7 pts
下列有關鹼金屬與其化合物通性的敘述,何者正確?
4.
MULTIPLE CHOICE QUESTION
45 sec • 7 pts
下列有關金屬的敘述,何者錯誤?
延展性最好的金屬是金
第一列過渡金屬皆可與鹽酸反應產生氫氣
銀在空氣中遇硫化氫易產生黑色的硫化銀
5.
MULTIPLE CHOICE QUESTION
45 sec • 7 pts
某金屬溶於足量的稀硫酸後,該溶液能使酸性過錳酸鉀溶液褪色,此金屬可能為下列何者?
6.
MULTIPLE CHOICE QUESTION
45 sec • 7 pts
若以下相關試劑均為 2 毫升,濃度 0.1 M,下列有關鐵離子反應的敘述,何者正確?
FeSO4(aq) 與 K4Fe(CN)6(aq) 混合,產生藍色沉澱
FeSO4(aq) 與 K3Fe(CN)6(aq) 混合,產生藍色沉澱
FeCl3(aq) 與 KSCN(aq) 混合,產生紅色沉澱
FeCl3(aq) 與 K4Fe(CN)6(aq) 混合,無沉澱產生
FeCl3(aq) 與 NH3(aq) 混合,無沉澱產生
7.
MULTIPLE CHOICE QUESTION
45 sec • 7 pts
下列有關鹼金屬與鹼土金屬性質的敘述,何者正確?
與冷水反應,均可生成氫氣與鹼性溶液
活性均隨著原子序的增加而減少
熔沸點均隨著原子序的增加而增加
原子半徑均隨著原子序的增加而增加
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