Mechanisms of Chemical Change F.1 Proton Transfer Reactions (id: 00f7f5c26)

本题目来源于试卷: Mechanisms of Chemical Change F.1 Proton Transfer Reactions，类别为 IB化学

[单选题]
Given the following indicatormc2x0 2s*e muhs csp:9sdoihriu t3, ;rm-aj; w3 ss:p. and their behaviours, what will be the correct colours of a solution of 1.0 M KOH ra dsi3 -s;,wuomt;ji:. r3hptested with each indicator?

Indicator	pH range	Colour change (Acid- alkali)
Methyl orange	3.1- 4.4	Red – Orange
Bromocresol green	3.8 - 5.4	Yellow - Blue
Phenolphthalein	8.3 - 10.0	Colourless - Pink

A. Methyl orange is Red Bromocresol green is Yellow Phenolphthalein is Colourless
B. Methyl orange is Orange Bromocresol green is Blue Phenolphthalein is Pink
C. Methyl orange is Orange Bromocresol green is Blue Phenolphthalein is Colourless
D. Methyl orange is Orange Bromocresol green is Yellow Phenolphthalein is Pink


参考答案:  B


本题详细解析:
A 1.0M solution of KOH would have a pH of 14. Methyr46zi2ick k8 d8f s,tui.ve. pl orange, bromocresol green, and phenolphthalein would be orange, yellow, and green respectifi8c.kus.vzi8 petr46, i d2 kvely at this pH.

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