Methyl orange is : - Vidyadip

MCQ

Methyl orange is :

✓
Red in acidic medium, yellow in basic medium
B
Yellow in acidic medium, pink in basic medium
C
Colourless in acidic medium, pink in basic medium
D
Pink in acidic medium, colourless in basic medium

✓

Answer

Correct option: A.

Red in acidic medium, yellow in basic medium

(a) Red in acidic medium, yellow in basic medium
Explanation : Methyl orange shows clear and distinct colour variance at different pH values, due to which it is often used as a pH indicator in titration. Methyl orange shows a red colour when the pH of the solution is less than 7 (acidic medium) and shows a yellow colour when the pH is above 7 (basic medium).

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