SOA Flashcards
A:- Energy of e- in H atom has -ve sign for all possible orbits.
R:- This negative sign indicates that Energy of e- at rest is min.
(3)
For A:- E= - 13.6 × Z²/n²
For R:- at rest mean n= infinite, tab E=0, Yani rest may e- ki Energy sabse jyda higi
A:- K, Rb, Cs are used as metal in photo electric effect.
R:- Cs is widely used in photo electric cells as its work function is max among above mentioned metals.
(3)
Cs ka work function is min
A:- In H atom no. of degenerate (sambharansh) (same energy ke) orbitals for n=3 is equal to 9.
R:- Number of degenerate orbitals in H atom is equal to n².
(1)
1s<2s=2p<3s=3p=3d
Ismay n=3 wale 9 orbitals ki energy same hai
A:- The five orbitals are dxy, dyz, dzx, dx²y² and dz², shapes of first four d orbitals are similar to each other where dz² is different.
R:- In free state, all five d orbitals are equivalent in energy.
(2)
A:- Subsidiary quantum number tell us about shape of orbitals.
R:- Magnetic quantum number determines the subshell to which e- belong.
(3)
A:- Spectral line would not be seem for a 2px to 2py transition.
R:- p orbital are degenerate orbitals.
Both Right + correct explanation
