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It's an indicator that turns red with acids and yellow with bases (though I prefer to use the term alkalis).
Actually, that answer is not strictly true because it will turn yellow at a pH of slightly less than pH 7 (neutral) so some weak acids will appear to be alkaline with this indicator.
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What is a substance that changes color when mixed with an acid or base?
acid base indicator or pH indicatorSome examples of acid base indicators are: gentian violet, malachite green, thymol blue, methyl yellow, bromophenol blue, congo red, methyl orange, screened methyl orange, bromocresol green, methyl red, methyl purple, phenolphthalein, indigo carmine, hydrangea flowers, anthocyanin, litmus, red cabbage, and purple cauliflower.
What are some other ways that acid base titrations are used?
Acid-base titrations are usually conducted with an indicator. Indicators are used to measure the end point precisely. Some of common indicators are methyl red, methyl orange and bromothymol blue.
What color is methyl orange when hydrochloric acid is added?
The effect of dilute HCl on the colors of the methyl orange will most likely be red. This is assumed because of both most likely having a pH of 3.1, which will end up red.
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.
How does methyl orange react with an acid?
It turns red.
What is a substance that changes color when mixed with an acid or base?
acid base indicator or pH indicatorSome examples of acid base indicators are: gentian violet, malachite green, thymol blue, methyl yellow, bromophenol blue, congo red, methyl orange, screened methyl orange, bromocresol green, methyl red, methyl purple, phenolphthalein, indigo carmine, hydrangea flowers, anthocyanin, litmus, red cabbage, and purple cauliflower.
When you add an acid to an alkali it changes to a neutral which colour change would this show with an indicator?
It depends on the indicator and there are quite a few. Methyl Red, Methyl orange and Phenolphthalein are 3 such acid-base indicators. If phenolphthalein is used as the indicator and added to the base it would immediately turn red/pink. As acid is titrated in, the red/pink will disappear and go colorless.
What are some other ways that acid base titrations are used?
Acid-base titrations are usually conducted with an indicator. Indicators are used to measure the end point precisely. Some of common indicators are methyl red, methyl orange and bromothymol blue.
What is the Chemical name for an acid base indicator?
there are many types of acid base indicators - see chart at http://chemistry.about.com/library/weekly/aa112201a.htm Common indicators: Methyl orange - acid=red, base=orange Bromcresol green - acid=yellow, base=blue Bromphenol blue - acid=yellow, base=blue Phenolphthalein - acid=colorless, base=red it is also easy to use litmus paper - acid=red, base=blue
What are some indicators of acids?
Methyl Red, methyl orange, bromophenol blue, phenolphthalein, thymolphthalein, bromocresol green, bromothymol blue are all used as acid base indicators.
What color is methyl orange when hydrochloric acid is added?
The effect of dilute HCl on the colors of the methyl orange will most likely be red. This is assumed because of both most likely having a pH of 3.1, which will end up red.
How can I distinguish between bases and acids by methods other than using litmus paper?
there are other indicators that can be used - universal Acid-red Base-Blue Neutral-green methyl orange Acid - red Base - yellow
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.
How does methyl orange react with an acid?
It turns red.
What colour is methyl orange in ch3ooh?
The color of methyl orange is red. The color is red when the acetic acid is below pH 3.1.
Can you use indicator other than phenolphthalein in the titration of NaOH?
Yes you can use methyl red, methyl orange, bromophenol blue and other indicators instead of phenolphthalein in the acid-base titration of NaOH.
What is the color of methyl red in boric acid and mannitol?
purplish-pink
