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Answer: all of the above Explanation: because methyl orange turns yellow in presence of base , bases turn red litmus blue, bases turn colourless phenolphthalein into pink Observe these diagrams and choose the correct statement:a.
2021年5月4日 · Assertion (A): Phenolphthalein gives pink colour in basic solution. Reason (R): Phenolphthalein is a natural indicator. a) Both A' and 'R' are true and R is the correct explanation of Ab) Both A' and 'R' are true but is not the correct explanation of A c) 'A' is false but
Phenolphthalein solution turns pink when added to a solution that is basic in nature because it undergoes deprotonation in the basic medium that imparts the pink colour to the solution. Advertisement
2018年2月18日 · Explanation: Lime water is a base, so when the phenolphthalein was added to the solution, it turned the solution pink. When I exhaled into the solution, the carbon dioxide in a person's breath reacted with the water to form Carbonic Acid. If a drop of phenolphthalein is added to lime water ( that is calcium hydroxide ) then the solution will ...
2021年6月14日 · Click here 👆 to get an answer to your question 1. Which of the following is not an acid-base indicator?a. blue litmus b. methyl orange c. phenolphthalein d.… 1. Which of the following is not an acid-base indicato
2020年7月29日 · Phenolphthalein(C20H14O4) is not a natural indicator. It is an organic compound used as an acid-base indicator. It is generally used in laboratories for testing the solutions' acidity, that is whether the solution is an acid or a base.
2020年6月11日 · What will happen if we add phenolphthalein to NH4OH. As Amonium Hydroxide is a base so phenolphthalein will turn pink. Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. Phenolphthalein changes colour sharply at about pH 8.
2022年4月22日 · bhupendra1666. Explanation: Ionization is the process that is responsible for the colour change of the compound (Phenolphthalein). Besides, ionization occurs when a molecule loses or gain an electron, which gives the molecule a positive or negative charge. Furthermore, the ionized molecule attracts the opposite cha.
Phenolphthalein is often used as an indicator in acid-base titrations. It will appear pink in basic solutions and clear in acidic solutions. ... Hence, phenolphthalein is chosen because it changes colour in a pH range between 8.3 – 10. But it is not a natural indicator.
2020年4月27日 · What is the colour of phenolphthalein in milk of magnesia? - 16953412 is it possible for a body to appear to be at rest and one observer and a fear to be in motion to another at the sa me time? give examples.
