Acid-Base Indicators (Leaving Cert Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the end point in a titration?
What is the end point in a titration?
When acid & base completely neutralize
What chemical property do most acid-base indicators have?
What chemical property do most acid-base indicators have?
They are weak acids
In the equation , what does represent?
In the equation , what does represent?
Indicator with hydrogen attached
What is the pH range of methyl orange?
What is the pH range of methyl orange?
3-5
What color does methyl orange show in acidic solution?
What color does methyl orange show in acidic solution?
Red
What is the pH range of litmus?
What is the pH range of litmus?
5-8
What color does phenolphthalein show in basic solution?
What color does phenolphthalein show in basic solution?
Pink
How wide is the range of a typical indicator?
How wide is the range of a typical indicator?
About 2 pH units
What is universal indicator?
What is universal indicator?
A mixture of several indicators
What color does universal indicator show at pH 7 (neutral)?
What color does universal indicator show at pH 7 (neutral)?
Green
Which indicator is best for weak acid-strong base titrations?
Which indicator is best for weak acid-strong base titrations?
Phenolphthalein
In basic solutions, which form of indicator is favored?
In basic solutions, which form of indicator is favored?
form