HARD
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IMPORTANT
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n, l and m values of orbitals A and B are given below.

             n            l            m
A            3            2             0
B            3            1             0

Which statement about A and B orbitals are correct?

(a) A has more energy than B.

(b) A possess electron density along axial direction only.

(c) B has one angular node and two radial nodes.

(d) Probability of finding electron density in B is zero along x-z plane.

Assume that for d sub-shell, m=0 for dxz orbital and for p sub-shell, m=0 for py orbital.

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Important Questions on Structure of Atom

HARD
JEE Main
IMPORTANT
Which of the following has electron density in the x-y plane? Assume that for 'd' sub-shell, m=0dz2 orbital and m=2dxy orbital.
MEDIUM
JEE Main
IMPORTANT
The probability of finding an electron in the dx2-y2 orbital is high
MEDIUM
JEE Main
IMPORTANT
The total number of nodes, the number of the planar nodes and the number of the radial nodes in case of 4f orbital, respectively are:
HARD
JEE Main
IMPORTANT
Which of the following has the highest energy?
MEDIUM
JEE Main
IMPORTANT
According to Bohr's model, what is the ratio between the kinetic energy and the total energy of the electrons in a hydrogen atom?
MEDIUM
JEE Main
IMPORTANT
In a hydrogen atom, two electrons move around the nucleus in circular orbits of radii, 4R and 9R, respectively. The ratio of the time taken by them to complete one revolution is:
MEDIUM
JEE Main
IMPORTANT
Calculate the energy emitted when electrons of 1 g atom of hydrogen undergo transition, giving spectral lines of the lowest energy in the visible region of its atomic spectra.
MEDIUM
JEE Main
IMPORTANT

Consider three electron jumps in H-atom:

X: n=31Y: n=42Z: n=53

For which transition, the electron will experience the largest change in orbit radius?