The scientific study of matter's characteristics and behaviour is known as chemistry.andare different from the normal vocabulary. It is a branch of natural science that examines the building blocks of matter, including the atoms, molecules, and ions that make up compounds and their composition, s...
Phenolphthalein is an indicator that changes colour to pink/purple between pH 8 to 10, however, neutralization occurs when pH = 7. Why can phenolphthalein still be used as the indicator during a stron What is the color of phenolphthalein in a basic solution?
Phenol when condensed with phthalic anhydride in the presence of conc. H2SO4, yields , Amethyl orange Bphenolphthalein Cphenol red Dsalicyclic acidSubmit Sucrose on reacting with conc. Sulphuric acid gives Aarabinose and SO2 Bglucose and fructose Ccarbon and water Dcarbon, water and SO2Submit ...
In the flame test, Magnesium Chloride is colorless but Magnesium metal burns as bright white. Why? What color change is exhibited by phenolphthalein during a titration of aqueous acetic acid with aqueous sodium hydroxide? a. colorless to pink b. pink to co...
Another example of a classical method for qualitative analysis is the Kastle-Meyer test which employsphenolphthaleinas an indicator to check for the presence of haemoglobin in the given analyte. Flame tests can be used to check for the presence of specific elements in an analyte by exposing it ...