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A compound ‘X’ is a weak acid and it exhibits colour change at pH close to the equivalence point during neutralization of NaOH with CH3COOH. Compound ‘X’ exists in ionized form in basic medium. The compound ‘X’ is

Option 1 -

methyl orange                          

Option 2 -

methyl red          

Option 3 -

phenolphthalein       

Option 4 -

erichrome Black T

0 1 View | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • P

    Answered by

    Payal Gupta | Contributor-Level 10

    2 months ago
    Correct Option - 3


    Detailed Solution:

    Phenolphthalein is the indicator of weak acid which produces pink colour in basic medium.

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