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What colour is produced when universal indicator is added to acetic acid?
weak acid = orange/yellow
What colour will universal indicator turn when mixed with a weak acid?
a bit of an weak orange colour, just look at any image of the chart
What colour would you espect universal indicator to turn in a strong acid?
It would turn red in strong acid, orange/yellow in a weak acid, green in a neutral solution, blue in a weak base and purple in a strong base
What colour is produced when universal indicator is added to lime juice?
Assuming it to be mostly a weak acid, the color would be orange/yellow
Indicators used in acid base titration?
It depends on the acid or base used. For strong acid vs. strong base, phenolphthalein can be used as indicator. For strong acid vs. weak base, methyl orange can be used as indicator. For weak acid vs. strong base, phenolphthalein can be used as indicator.
What is phenophthelein?
an indicator used for weak acid nd strong base
What colour does a weak acid turn too?
Pink
Why methyl orange is used in titration of weak base against weak acid?
It is the best indicator for the situation. For other combinations of acids and bases other indicators are suited better. mostly it is because of how easy their colour changes or how obvious they are.
Which indicator is used in titration for strong acid?
It depends on the base used. For strong acid vs. strong base, phenolphthalein can be used as indicator. For strong acid vs. weak base, methyl orange can be used as indicator.
How can you differentiate strong acid from a weak acid using an indicator?
if pH paper is dipped in a strong acid it turns red and if the same pH paper is dipped in the weak acid it turns blue
What colour would a weak alkali turn in Universal Indicator?
Bluish green :p
Why sodium carbonate cann't be used as a primary standard in propanoic acid?
Sodiumj carbonate is a weak alakli and propanoic acid is a weak acid so you cannot use a weak acid and a weak alkali in an experiment as they wouldn't react properly. It would be difficult to find the indicator.
