Question
Which of the following indicator produces a pink colour
in an alkaline solution?Solution
Phenolphthalein turns pink when exposed to substances above a pH of 8.2. This colour change is a result of ionization, which alters the shape and charge of phenolphthalein molecules. This causes it to block the blue light spectrum when exposed to alkaline substances, producing a pink to purple hue.
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How many international visitors from Election Management Bodies (EMBs) of various countries arrived in India on the Election Commission of India's (ECI)...
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What is the full form of FDI.
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