Answer-What is the colour of base?

Q: Answer-What is the colour of base?

Phenolphthalein Chemical formula C14 H20 O4 It is a synthetic acidbase 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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What is the colour of base?

Question

What is the colour of

base?

A Pink with phenolphthalein and yellow with methyl orange Correct Answer Incorrect Answer

B Blue with phenolphthalein and yellow with methyl orange Correct Answer Incorrect Answer

C Yellow with phenolphthalein and pink with methyl orange Correct Answer Incorrect Answer

D Yellow with phenolphthalein and blue with methyl orange Correct Answer Incorrect Answer

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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