Phenolphthalein indicator indicates the pH of the solution. This indicator is used when the solution is colorless. When added to a solution which is basic in nature, the solution changes color form colorless to pink.
Thus, the correct answer is that the given solution is basic in nature.
Nomenclature and common formula. When part of a salt, the formula of the acetate ion is written as CH3CO2−, C2H3O2−, or CH3COO−. Chemists abbreviate acetate as OAc− or, less commonly, AcO−. Thus, HOAc is the abbreviation for acetic acid, NaOAc for sodium acetate, and EtOAc for ethyl acetate.
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Answers Anonymous answered Sulfur has 6 valence electrons so it needs 2 more for an octet and it will then have a charge of negative 2
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Nickel(II) cyanide is an inorganic compound with a chemical formula Ni(CN)₂
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