Home
Class 12
CHEMISTRY
Assertion (A) : Toxic metal ions are rem...

Assertion (A) : Toxic metal ions are removed by chelating ligands.
Reason (R) : Chelate complexes tend to be more stable.

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true but (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false but (R) is true

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • COORDINATION COMPOUNDS OR COMPLEX COMPOUNDS

    CHHAYA PUBLICATION|Exercise MCQ (HOTSPOT) (Single Correct Type)|28 Videos
  • COORDINATION COMPOUNDS OR COMPLEX COMPOUNDS

    CHHAYA PUBLICATION|Exercise EXERCISE (VERY SHORT ANSWER-TYPE QUESTIONS) (Answer in one two sentences)|23 Videos
  • COORDINATION COMPOUNDS OR COMPLEX COMPOUNDS

    CHHAYA PUBLICATION|Exercise ENTRANCE QUESTIONS (ENGINEERING AND MEDICAL ARCHIVE) (AIIMS)|12 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    CHHAYA PUBLICATION|Exercise PRACTICE SET 15|15 Videos
  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise PRACTICE SET 8 (Answer the following questions)|10 Videos

Similar Questions

Explore conceptually related problems

Assertion (A) : The size of a cation is larger in TV than in OV . Reason (R ) : Cations occupy more space than anions is crystals packing.

Assertion (A): Detergents with low CMC are more economical to use. Reason (R): Cleansing action of detergents involves the formation of micelles. These are formed when the concentration of detergents becomes equal to CMC.

Assertion (A): Most of the synthetic polymers are not biodegradable. Reason (R) : Polymerisation process induces toxic character in organic molecules.

Assertion (A): Conductivity of all electrolytes decreases on dilution. Reason (R):On dilution number of ions per unit Reason volume decreases.

Assertion (A) : Linkage isomerism arises in coordination compounds containing ambidentate lignad. Reason (R) : Ambidentate ligand has 2 different donor.

Assertion (A): Hg-cell does not give steady potential. Reason (R): In the cell reaction, ions are not involved in solution.

Assertion (A): Coagulation power of Al^(3+) is more than that of Na^(+) . Reason (R): Greater the valency of the flocculating ion added, greater is its power to cause precipitation (Hardy Schulze rule).

Assertion (A) : Actinoids form relatively less stable complexes as compared to lanthanoids. Reason (R ): Actinoids can utilise their 5f - orbitals along with 6d - orbitals in bonding but lanthanoids do not use their 4f - orbital for bonding.

Assertion : Phenol undergoes Kolbe's reaction whereas ethanol does not . Reason : Phenoxide ion is more basic than ethoxide ion .

CHHAYA PUBLICATION-COORDINATION COMPOUNDS OR COMPLEX COMPOUNDS-SOLVED NCERT EXEMPLAR PROBLEMS
  1. Arrange the following complex ions in increasing order of crystal fiel...

    Text Solution

    |

  2. Why do compounds having similar geometry have different magnetic momen...

    Text Solution

    |

  3. CuSO(4).5H(2)O is blue in colour while CuSO(4) is colourless. Why?

    Text Solution

    |

  4. Name the type of isomerism when ambidentate ligands are attached to ce...

    Text Solution

    |

  5. Text Solution

    |

  6. Text Solution

    |

  7. Text Solution

    |

  8. Text Solution

    |

  9. Text Solution

    |

  10. Assertion (A) : Toxic metal ions are removed by chelating ligands. R...

    Text Solution

    |

  11. Assertion (A) : [Cr(H(2)O)(6)]Cl(2) and [Fe(H(2)O)(6)]Cl(2) are reduci...

    Text Solution

    |

  12. Assertion (A) : Linkage isomerism arises in coordination compounds con...

    Text Solution

    |

  13. Assertion (A) : Complexes of MX(6) and MX(5)L type (X and L are unide...

    Text Solution

    |

  14. Assertion (A) : [Fe(CN)(6)]^(3-) ion shows magnetic moment correspondi...

    Text Solution

    |

  15. Using crystal field theory, draw energy level diagram, write electroni...

    Text Solution

    |

  16. Using crystal field theory, draw energy level diagram, write electroni...

    Text Solution

    |

  17. Using valence bond theory, explain the following in relation to the co...

    Text Solution

    |

  18. CoSO(4)Cl.5NH(3) exists in two isomeric forms 'A' and 'B'. Isomer 'A' ...

    Text Solution

    |

  19. What is the relationship between observed colour of the complex & wave...

    Text Solution

    |

  20. Why are different colour observed in octahedral and tetrahedral comple...

    Text Solution

    |