Atomic Structure Test

Result

Atomic Structure Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

Among the following set of quantum numbers, the impossible set is

A
n : 3; l : 2; m : 3; s : −1/2

B
n : 4; l : 0; m : 0; s : 1/2

C
n : 5; l : 3; m : 0; s : −1/2

D
n : 3; l : 2; m : −2; s : 1/2

Solution

This is the impossible set of quantum number, because value of m cannot be greater than l.
Question 2
1 / -0

If n=6, the correct sequence for filling of electrons will be

A
ns → (n - 1)d → (n - 2)f→ np

B
ns → (n - 2)f → np → (n - 1)d

C
ns - np → (n - 1)d → (n - 2)f

D
ns → (n - 2)f → (n - 1)d→ np

Solution

6s → 4f → 5d→ 6p for n = 6
Question 3
1 / -0

Which of the following pairs of d-orbitals will have electron density along the axes?

A
d_z²d_xz

B
dx_zd_yz

C
d_z²d_x²-y²

D
dxy d_x²-y²

Solution

d_xy, d_yz and d_zx orbitals have maximum electron density between the axes. d_x2-y2and d_z2 have maximum electron density on the axis.