Home
Class 12
CHEMISTRY
Assertion:Fluorescein is an adsorption i...

Assertion:Fluorescein is an adsorption indicator.
Reasoning : The indicator fluorescein is a dye

A

Assertion is true but the Reason is false

B

Assertion is false, Reason is true

C

Both Assertion and Reason are true and the Reason is a correct explanation of the Reason.

D

Both Assertion and Reason are true but Reason is not a correct explanation of the assertion.

Text Solution

Verified by Experts

The correct Answer is:
D

Both assertion and reason are true but reason is not correct explanation of assertion because it never explain about the adsorption nature of fluorescein.
Promotional Banner

Topper's Solved these Questions

  • AIIMS 1999

    AIIMS PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

Similar Questions

Explore conceptually related problems

Indicators

Indicators

Assertion: Mosses are used as pollution indicators. ltbr. Reason: They absorb metals.

Mosses are indicators of:

Indicator Diagram

Indicator Diagram

AIIMS PREVIOUS YEAR PAPERS-AIIMS 1998-CHEMISTRY
  1. Catalytic hydrogenation of phenyl diazonium bromide produces

    Text Solution

    |

  2. Addition of water to metallic sodium produces

    Text Solution

    |

  3. The common lead storage battery produces electricity by two hall cell ...

    Text Solution

    |

  4. Calcium carbide reacts with water to produce

    Text Solution

    |

  5. Which of the following aqueous solutions will have the lowest freezing...

    Text Solution

    |

  6. The reaction of HBr with 1-propene in the presence of peroxides will p...

    Text Solution

    |

  7. A zwitter ion is a molecule containing

    Text Solution

    |

  8. Use of helium is preferred over use of hydrogen in airships (e.g., bl...

    Text Solution

    |

  9. Low molecules weight mercaptans are often added to natural gas to

    Text Solution

    |

  10. Nucleotides are composed of two types of sugars

    Text Solution

    |

  11. Assertion: Noble gases can be liquefied. Reason: Attractive forces c...

    Text Solution

    |

  12. Assertion : Alkali metal salts give colour to the Bunsen flame . Rea...

    Text Solution

    |

  13. Assertion: Amongest the halogens, fluorine can oxidise the elements to...

    Text Solution

    |

  14. Assertion:A solution of bromine in C Cl4 is decolorised on passing ace...

    Text Solution

    |

  15. Assertion (A) : When the transition element ionises, the 4s-orbital el...

    Text Solution

    |

  16. Assertion: Nitrogen is unreactive at room temperature but becomes reac...

    Text Solution

    |

  17. Assertion:Fluorescein is an adsorption indicator. Reasoning : The in...

    Text Solution

    |

  18. Statement I: All enzymes are protiens but all proteins are not enzymes...

    Text Solution

    |

  19. Assertion (A): Alkali metals are strong reducing agents. Reason (R )...

    Text Solution

    |

  20. Assertion (A): May endothermic reactions that are not spontaneous at ...

    Text Solution

    |