Home
Class 11
CHEMISTRY
Assertion (A) :F atom has less electron ...

Assertion (A) :F atom has less electron than `CI^(Theta)` atom
Reason (R ) : Additional electrons are repelled more effectively by `3p` electron in `CI` atom than by` 2p` electron in F atom

A

If both (A) and (R ) correct and (R ) is the correct explanation for (A)

B

If both (A) and (R ) correct and (R ) is the correct explanation for (A)

C

If (A) is correct but (R ) is incorrect

D

If (A) is incorrect but (R ) is correct

Text Solution

Verified by Experts

The correct Answer is:
C

a. It is due to the fact that the electron inteacts in difference manner with the external magnetic field
b . This spliting is known as Zeeman effect
d. It decreases with increase in the value of atomic number as is evident from the expression
`E = - (1)/(n^(2)) [(2pi^(2)m((Ze^(2))/(4pi epsilon_(0)))^(2))/(h^(2))]`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    CENGAGE CHEMISTRY|Exercise Exercises Integer|11 Videos
  • ATOMIC STRUCTURE

    CENGAGE CHEMISTRY|Exercise Exercises Fill In The Balnks|56 Videos
  • ATOMIC STRUCTURE

    CENGAGE CHEMISTRY|Exercise Exercises Single Correct|127 Videos
  • APPENDIX - INORGANIC VOLUME 1

    CENGAGE CHEMISTRY|Exercise chapter-7 Single correct answer|1 Videos
  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    CENGAGE CHEMISTRY|Exercise Archives Subjective|15 Videos

Similar Questions

Explore conceptually related problems

Assertion: F atom has a less negative electron affinity than CI atom. Reason: Additional electrons are repelled more effectival by 3p electrons in CI atom than by 2p electrons in F atom.

Assertion: F atom has less electron afffinity than Cl atom. Reason: Additional electrons are repelled more strongly by 3p electrons in Cl atom than by 2p electrons in F atom.

Assertion: F atom has less negative electron gain enthaply than Ci atom. Reason: Additional eletrons are repelled more effectively by 3 p-electronic in Ci than by 2 p-electrons is F atom.

Statement-1 : F arom has a less negative electron gain enthalpy than Cl atom. Statement-2 : Additional electron is repelled more efficiently by 3p electron in Cl atom than by 2p electron in F atom.

CENGAGE CHEMISTRY-ATOMIC STRUCTURE-Exercises Assertion And Reason
  1. Assertion (A) :F atom has less electron than CI^(Theta) atom Reason...

    Text Solution

    |

  2. Assertion (A) : Nuclide AI(13)^(30) is less stable than Ca(20)^(40) R...

    Text Solution

    |

  3. Assertion (A) : The first IE of Be is greater than that of B Reason ...

    Text Solution

    |

  4. Assertion (A) : The electronic configuration of nitrogen atom is repre...

    Text Solution

    |

  5. Assertion (A) : The atomic radil of the electrons of oxygen family are...

    Text Solution

    |

  6. Assertion (A) : For n = 3,l1 may be 0,1 and 2 and m may be 0, +- 1 and...

    Text Solution

    |

  7. Assertion (A) : An orbital cannot have more than creat electron Reaso...

    Text Solution

    |

  8. Assertion (A) : The configuration of B atom cannot be 1s^(2)2s^(2) Re...

    Text Solution

    |

  9. Assertion (A) : The ionisation energy of N is more than that of O Re...

    Text Solution

    |

  10. Assertion (A) : p orbital is dumb- bell shaped Reason (R ) :Electron...

    Text Solution

    |

  11. Assertion (A) : A spectral line will be seen for 2p,-2p transition R...

    Text Solution

    |

  12. Assertion (A) : Ionisation potential of Be (atomic number 4 ) is than ...

    Text Solution

    |

  13. Assertion (A) : In rutherford's gold foil experiment, very few alpha ...

    Text Solution

    |

  14. Assertion (A) : Limiting line is the balmer series ghas a wavelength o...

    Text Solution

    |

  15. Assertion (A) : Each electron in an atom has two spin quantum number ...

    Text Solution

    |

  16. Assertion (A) : There are two spherical nodes in 3s orbital Reason (R...

    Text Solution

    |

  17. Assertion (A) : In an atom, the velocity of electron in the higher orb...

    Text Solution

    |

  18. Assertion (A) : If the potential difference applied to an electron is...

    Text Solution

    |

  19. Assertion (A) :Angular momentum of 1s,2s,3s, ets all have spectrical ...

    Text Solution

    |

  20. Assertion (A) : The radial probability of 1s electrons first increases...

    Text Solution

    |