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Q: Which is the end point in acid base titration?
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Why titration of weak acids and weak bases are not done?

It is difficult to determine the end point of such a titration, because the titration produces a buffer solution that changes its pH very slowly at the end point, in contrast to reaction between a strong acid and strong base.


In a titration the point at which one drop of base turns the acid plus indicator a pink color that lasts for 30 seconds is called the?

The end-point


How do you get sharp end point in acid-base titration?

It is only possible if acid or base is very strong or both are strong secondly the proper indicator with proper concentration must be used.


Will the solution at the end point of an acidbase titration be acidic neutral or alkaline if it is a weak acid and strong base?

alkaline obviously! strong acid + strong base= neutral strong acid + weak base= acidic weak acid + strong base= alkaline


What are the major disadvantages of using an indicator to measure the end point in an acid-base titration?

they only work within certain ph ranges


What is the color of the end point for the titration of the acid?

A general acid-base titration may not indicate a color change. Therefore an indicator is used. Among the most used indicators are methyl red, methyl orange and bromothymol blue.


Why titrations of weak acids and weak bases are not done?

It is difficult to determine the end point of such a titration, because the titration produces a buffer solution that changes its pH very slowly at the end point, in contrast to reaction between a strong acid and strong base.


How do you determine the end point from titration in acid base titration process?

it depends on the indicator used, i.e. phenolphthalein is the most popular. this is colourless in acid, purple in base, very identifiable. Keep actively swirling and when it is expected to turn (figured from a rough titration beforehand) add very slowly dropwise untill the colour turns.


Why methyl orange is used instead of phenolphthalein in hcl and naoh titration?

This is so since the pH at the end point of Phenolphthalein is 9.1 and methyl orange is 3.7. For a strong acid strong base titration which the end point is between 3-11 phenolphthalein is used


Why titration of weak acid and weak base are not done?

because the pH change involved is very small and it is generally difficult to find the end point


Why indicator is being used in titration?

An indicator is so you can see when the end point of the reaction occurs, or when the reaction is complete. This can be an acid-base indicator such as methyl orange which determines the end point with a colour change.


What does a titration graph of a weak acid with a strong base look like?

The pH at point of halfway titration is at pKa level (this even might be at pH above 7)andpH of equivalence point (end point) is not at pH = 7.0 , but (sometimes far) above 7.0.