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When a drop of methyl orange is put into acetic acid..What will the colour change? |
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Answer» Answer: INDICATOR colors In a solution that decreases in acidity, methyl orange MOVES from the colour red to orange and FINALLY to yellow with the opposite occurring for a solution increasing in acidity. In an acid, it is reddish and in ALKALI, it is yellow. Methyl orange has a pKa of 3.47 in water at 25 °C (77 °F). |
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