phenolphthaleindoi:10.1007/978-3-540-72816-0_16705a compound of [(C6H6OH)2C2O2C6.H4], pale yellow powder which is soluble in neutral or acidic solution almost colorless, pink to dark red in alkalic medium, but colorless in presence of large alkali. U...
Its turns red in case of alkali, and is colorless in acid and neutral solution. To test the presence of ammonia in the air, it will be appears light red. The preparation method is simple: the filter paper is immersed in phenolphthalein solution and taken out for drying after full ...
Phenolphthalein is crystal powder and almost insoluble in water.It is colorless in acidic and neutral solutions and purplish red in alkaline solutions. It is often used to detect acid and alkali. In addition, the main uses of phenolphthalein are as follows: (1) Pharmace...
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(i) An aqueous of NaCI is neutral (ii) NH3 is a Lewis as well as Bronsted base. (iii) Phenolphthalein is not a suitable indicator for titration between HCI against NH4OH. (iv) pH value of an aqueous 10−2 M acetic acid solution is not 2. View Solution Statement 1: Methyl ora...
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Phenolphthalein test paper is one of the simple test papers commonly used in chemical analysis. It’s highly targeted. Its turns red in case of alkali, and is colorless in acid and neutral solution. To test the presence of ammonia in the air, it will be appears light red. The preparation...
Phenolphthalein test paper is one of the simple test papers commonly used in chemical analysis. It’s highly targeted. Its turns red in case of alkali, and is colorless in acid and neutral solution. To test the presence of ammonia in the air, it will be appears light red. The preparation...
How do you prepare a standard solution for titration? How do you do a titration equation? Why should KMnO4 be added slowly in a titration? How does titration work? Why is titration repeated three times? What color is phenolphthalein in a neutral solution? Why is HCl added for the titratio...