If an electron in H atom has energy o...

If an electron in H atom has energy of `-76.4` kcal `"mol"^(-1)` .The orbit in which the electron is present is

`1st`

`2nd`

`3rd`

`4th`

Text Solution

Verified by Experts

`E^(n)=(-313.6)/(n^(2))` kcal/mol`implies-78.4=(-313.6)/(n^(2)):.n=2`

Topper's Solved these Questions

ATOMIC STRUCTURE
FIITJEE|Exercise COMPREHENSION-I|3 Videos
ATOMIC STRUCTURE
FIITJEE|Exercise COMPREHENSION-II|3 Videos
ATOMIC STRUCTURE
FIITJEE|Exercise SOLVED PROBLEMS (SUBJECTIVE)|16 Videos
ALKYL AND ARYL HALIDES
FIITJEE|Exercise NUMERICAL BASED QUESTIONS|1 Videos
CARBOHYDRATES, AMINO ACIDS, POLYMERS AND PRACTICAL ORGANIC CHEMISTRY
FIITJEE|Exercise EXERCISE|4 Videos

Similar Questions

Explore conceptually related problems

The kinetic energy of an electron in H like atom is 6.04 eV Find the area of the third bohr orbit to which this electron belongs .Also repurt the atom

An electron in Bohr's hydrogen atom has angular momentum (2h)/(pi) The energy of the electron is

Energy of electron in the first Bohr orbit of H-ato is -313.6 kcal mol^(-1) , then the energy in second Bohr orbit will be:

The energy of an electron in Bohr's orbit of hydrogen atom is -13.6eV . The total electronic energy of a hypothetical He atom in which there are no electron - electron repulsions or interactions is

If the energy of electron in H atom is given by expression, -1312//n^(2)"k J mol"^(-1) , then the energy required to excite the electron from ground state to second orbit is:

Calculate the energy of an electron in second orbit of an excited hydrogen atom the energy of the electron in the first Bohr orbit the energy of the electron in the Bohr orbit is -2.18 xx 10^(-11) erg

The energy of the electron in the third orbit of H-atom is -1.51 eV. The energy of the electron in first orbit is

The ionisation potentials of atoms A and B are 400 and 300 kcal mol^(-1) respectively. The electron gain enthalpy of these atoms are 80.0 and 85.0 kcal mol^(-1) respectively. Which of the atoms has highrt electronegativity.

FIITJEE-ATOMIC STRUCTURE-SOLVED PROBLEMS (OBJECTIVE)

Which of the following set of quantum number is are not permitted ?
Text Solution
|
Which of the following pairs of ions have the same electronic configur...
Text Solution
|
If an electron in H atom has energy of -76.4 kcal "mol"^(-1) .The o...
Text Solution
|
What transition in the hydrogen spectrum would have the same wavelen...
Text Solution
|
The energy of second Bohr orbit of the hydrogen atom is - 328 k J mol^...
Text Solution
|
Principal azimuthal , and magnetic quantum numbers are respetively r...
Text Solution
|
If the radius of the second Bohr of hydrogen atom is r(2) the radius ...
Text Solution
|
Difference between n^(th) and (n+1)^(th) Bohr's radius of H atom is eq...
Text Solution
|
The dissociation energy of H(2) is 430.53 kJ mol^(-1), If H(2) is of d...
Text Solution
|
Number of waves in third Bohr's orbit of hydrogen will be
Text Solution
|
In hydrogen atom are excited in the fifth level .The number of line ...
Text Solution
|
If a(0) represents the bOhr radius, the de Broglie wavelength of the e...
Text Solution
|
Let of waveldnth lamda shines on a metal surface with intensity x and ...
Text Solution
|
Ground state electronic configuration of nitrogen atom can be represen...
Text Solution
|
Which of the following statements/s is/are wrong?
Text Solution
|
For the energy levels in an atom , which of the following statement ...
Text Solution
|
Which of the following statement (s) is (are) correct?
Text Solution
|
Many elements have non -integral atomic masses because
Text Solution
|
Which of the following statements are correct?
Text Solution
|
The magnitude of spin angular momentum of an electron is given by
Text Solution
|