Home
Class 11
CHEMISTRY
The pink colour of phenolphthalein in al...

The pink colour of phenolphthalein in alkaline medium is due to

A

`overset(Theta)OH` ions

B

Positive ion

C

Negative ion

D

Neutral form

Text Solution

Verified by Experts

The correct Answer is:
C
Sturcture of phenolphthalein in acidic and basic medium.
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    CENGAGE CHEMISTRY|Exercise Exercises Assertion-Reasoning|36 Videos

  • IONIC EQUILIBRIUM

    CENGAGE CHEMISTRY|Exercise Exercises Integer|10 Videos

  • IONIC EQUILIBRIUM

    CENGAGE CHEMISTRY|Exercise Exercises Multiple Correct|33 Videos

  • HYDROGEN, WATER AND HYDROGEN PEROXIDE

    CENGAGE CHEMISTRY|Exercise Subjective Archive (Subjective)|3 Videos

  • ISOMERISM

    CENGAGE CHEMISTRY|Exercise Assertion-Reasoning Type|1 Videos

Similar Questions

Explore conceptually related problems

Colour of phenolphthalein in acidic medium

The colour of phenolphthalein in acid is-

What is the colour of phenolphthalein in NaOH ?

Benzoylation of phenol in alkaline medium is known as :

CENGAGE CHEMISTRY-IONIC EQUILIBRIUM-Exercises Single Correct
  1. A solution of 0.1M NaZ has pH = 8.90. The K(a) of HZ is

    Text Solution

    |

  2. Phenolphalein does not act as an indicator for the titration between

    Text Solution

    |

  3. The pink colour of phenolphthalein in alkaline medium is due to

    Text Solution

    |

  4. Methy1 orange gives red colour in

    Text Solution

    |

  5. A solution containing NH(4)CI and NH(4)OH has [overset(Theta)OH] = 10^...

    Text Solution

    |

  6. If equal volumes of BaCI(2) and NaF solutions are mixed, which of thes...

    Text Solution

    |

  7. The solubility of solid silver chromate, Ag(2)Cro(4), is determined in...

    Text Solution

    |

  8. The solubility products of AI(OH)(3) and Zn(OH)(2) are 8.5xx10^(-23) a...

    Text Solution

    |

  9. If K(sp) (PbSO(4)) =1.8 xx 10^(-8) and K(a) (HSO(4)^(Theta)) = 1.0 xx ...

    Text Solution

    |

  10. Which one of the following is true for any diprotic acid, H(2)X?

    Text Solution

    |

  11. The K(sp) of Mg(OH)(2) is 1xx10^(-12). 0.01M Mg^(2+) will precipitate ...

    Text Solution

    |

  12. The solubility products of MA, MB, MC and MD are 1.8xx10^(-10), 4xx10^...

    Text Solution

    |

  13. A solution is saturated with respect to SrCO(3) and SrF(2). The [CO(3)...

    Text Solution

    |

  14. The number of S^(2-) ions present in 1L of 0.1 MH(2)S [K(a(H(2)S)) = 1...

    Text Solution

    |

  15. The solubility of AgI in NaI solutions is less than that in pure water...

    Text Solution

    |

  16. Three sparigly soluble salts M(2)X, MX,and MX(3) have the same solubil...

    Text Solution

    |

  17. When 0.2M solution of acetic acid is neutralised with 0.2M NaOH in 500...

    Text Solution

    |

  18. A weak acid HX has the dissociation constant 1 xx 10^(-5)M. It forms a...

    Text Solution

    |

  19. A certain buffer solution contains equal concentartion of X^(Theta) an...

    Text Solution

    |

  20. A certain weak acid has a dissocation constant of 1.0 xx 10^(-4). The ...

    Text Solution

    |