試卷名稱:106年 - 106 高雄醫學大學學生轉系考試:普通化學#99839
年份:106年
科目:轉學考-普通化學
19. Two drops of indicator HIn (Ka =
), where HIn is yellow and In- is blue, are placed in 100.0 mL of 0.10 M HCl. The solution is titrated with 0.10 M NaOH. At what pH will the color change (yellow to greenish yellow) occur?
(A) 7.0
(B) 8.5
(C) 9.0
(D) 7.5
(E) 8.0