The table below shows the plH values at which two different indicators change colour Indicator Colour change sadurp jo Hd Acid- Base Bromothymol blue Yellow- Blue About 5 Phenclphthalein Colourless- Pink About 9.5 4.1 Explain what pi is 42 Give the pH of neutral solation 43 Prodict the colour of bromothymol blue when you add it to: 431 Dilute hydrochloric acid 43.2 Dilute sodium hydroxide 44 Which indicator you use to tell the difference between a pl of 7 and a pH of 107 45 Name an indicator that you would use for a full range of pt from 0 to 14
The table below shows the plH values at which two different indicators change colour Indicator Colour change sadurp jo Hd Acid- Base Bromothymol blue Yellow- Blue About 5 Phenclphthalein Colourless- Pink About 9.5 4.1 Explain what pi is 42 Give the pH of neutral solation 43 Prodict the colour of bromothymol blue when you add it to: 431 Dilute hydrochloric acid 43.2 Dilute sodium hydroxide 44 Which indicator you use to tell the difference between a pl of 7 and a pH of 107 45 Name an indicator that you would use for a full range of pt from 0 to 14
Chapter14: Principles Of Neutralization Titrations
Section: Chapter Questions
Problem 14.33QAP
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QUESTION 4
The table below shows the pH values at which two different indicators change colour
Indicator
Colour change
pH of changes
Acid- Base
Yellow- Blue
About 5
Phenolphthalein
Colouriess- Pink
About 9.5
4.1 Explain what pH is
4.2 Give the pH of neutral solution
4.3 Predict the colour of bromothymol blue when you add it to:
4.31 Dilute hydrochloric acid
自
4.3.2 Dilute sodium hydroxide
44 Which indicator you use to tell the difference between a pH of 7 and a pH of 107
4.5 Name an indicator that you would use for a full range of pH from 0 to 14
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