Home
Class 12
CHEMISTRY
E(n)=-313.6//n^(2) kcal/mol. If the valu...

`E_(n)=-313.6//n^(2)` kcal/mol. If the value of `E=-34.84` kcal/mol, to which value does 'n' correspond?

A

4

B

3

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION -B) Objective type questions|34 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION -C) Previous Years Questions|47 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|40 Videos

  • STATES OF MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION-D)|14 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT ( SECTION -J) Aakash Challengers Questions|12 Videos

Similar Questions

Explore conceptually related problems

If the value of E=-78.4 "kcal//mol" , the order of the orbit in hydrogen atom is-

If the value of E=-78.4 "kcal//mol" , the order of the orbit in hydrogen atom is-

The enthalpy of hydration of Cr^(+2) is -460 kcal mo1^(-1) In the absence of CFSE the value for DeltaH=-424 kcal mo1^(-1) What is the value of Delta_(0) for [Cr(H_(2)O)_(6))]^(2+) .

In the decomposition of H_2O_2 at 300 K, the energy of activation was found to be 18 kcal//"mol" white it decreases to 6 kcal//"mol" when the decomposition was carried out in the presence of a catalyst at 300 K. The number of times the catalysed reaction faster than uncatalysed one is (Give you answer by multiplying 10^7 )

The Bohr's energy of a stationary state of hydrogen atom is given as E_(n)=(-2pi^(2)me^(4))/(n^(2)h^(2)) . Putting the values of m and e for n^(th) energy level which is not the correct value?

Delta_(f)H(H_(2)O) =- 68 kcal mol^(-1) and DeltaH of neutralisation is -13.7 kcal mol^(-1) , then the heat of formation of overset(Theta)OH is

Calculate electronegativity of carbon at Pauling scale Given that : E_(H-H) =104 .2 kcal "mol"^(-1) E_(C-C) =83.1 kcal "mol"^(-1) , E_(C-H) =98.8 kcal "mol"^(-1) . Electronegativity of hydrogen =2.1 .

If heat of solution for AB(s) is -0.95xx10^(x) kcal/mol and lattice energy for AB(s) is 700 kcal/mol and hydration energy for A^(+)(g) is -1000 kcal/mol and B^(-)(g) is -650 kcal/mol then calculate value of x.

Find the electron affinity of chlorine from the following data. Enthalpy of formation of LiCI is -97.5 kcal mol^(-1) , lattice energy of LiCI =- 197.7 kcal mol^(-1) . Dissociation energy of chlirine is 57.6 kcal mol^(-1) , sublimation enthalpy of lithium =+ 38.3 kcal mol^(-1) , ionisation energy of lithium =123.8 kcal mol^(-1) .

AAKASH INSTITUTE ENGLISH-STRUCTURE OF ATOM-ASSIGNMENT (SECTION -A) Objective type questions
  1. The ionization energy of the electron in the lowest orbit of hydrogen ...

    Text Solution

    |

  2. A certain metal when irradiated by light (v=3.2xx10^(16)Hz) emits phot...

    Text Solution

    |

  3. E(n)=-313.6//n^(2) kcal/mol. If the value of E=-34.84 kcal/mol, to whi...

    Text Solution

    |

  4. Which transition of Li^(2+) is associated with same energy chan...

    Text Solution

    |

  5. Zeeman effect refers to the

    Text Solution

    |

  6. Number of spectral lines in Balmer series when an electron retrurn ...

    Text Solution

    |

  7. If kinetic energy of a proton is increased nine times, the wavelength ...

    Text Solution

    |

  8. The number of waves in the third orbit of H - atom is

    Text Solution

    |

  9. What will be the wavelength of an electron moving with 1/10th of veloc...

    Text Solution

    |

  10. The de Broglie wavelength associated with a ball of mass 200 g and mov...

    Text Solution

    |

  11. Calculate the momentum of a particle which has de Broglie wavelength o...

    Text Solution

    |

  12. The uncertainty in velocity of an electron present in the nucleou...

    Text Solution

    |

  13. The set of quantum numbers not applicable to an electron: (n, l, m, s)

    Text Solution

    |

  14. The principal and azimuthal quantum number of electrons in 4f orb...

    Text Solution

    |

  15. How many 3d electrons can have spin quantum number - (1)/(2) ?

    Text Solution

    |

  16. The correct orders of increasing energy of atomic orbitals is

    Text Solution

    |

  17. Which shell would be the first to have g sub-shell ?

    Text Solution

    |

  18. For which of the following sets of quantum numbers, an electrons will ...

    Text Solution

    |

  19. Arrange the following orbitals of H-atom in the increasing order of th...

    Text Solution

    |

  20. Which of the following set of quantum number is possible ?

    Text Solution

    |