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Question: Answered & Verified by Expert
The colour change of an indicator HIn in acid base titrations is given below

Which of the following statement is correct?
ChemistryRedox ReactionsJEE Main
Options:
  • A In a strong alkaline solution colour Y will be observed
  • B In a strong acidic solution colour Y will be observed
  • C Concentration of In- is higher than that of HIn at the equivalence point
  • D In a strong alkaline solution colour X is observed
Solution:
1880 Upvotes Verified Answer
The correct answer is: In a strong alkaline solution colour Y will be observed
It is an acidic indicator therefore will remain in ionized form in strong alkaline solution (opposite ion effect) so it will show the colour due to Inaq- which is colour Y.

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