Question
What is the colour of
base?Solution
Phenolphthalein : • Chemical formula: C14 H20 O4 • It is a synthetic acid/base indicator. • It is colourless in acidic medium and turns to pink in basic medium. Methyl orange: • Chemical Formula: C14 H 14 N3 NaO3  S. • It is a synthetic indicator. • It turns orange-red in acidic medium and is yellow in basic medium.
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