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The electrons identified by quantum numb...

The electrons identified by quantum numbers n and l
a. n=4, l=1
b. n=4, l=0
c. n=3, l=2
d. n=3, l=1
can be placed in order of increasing energy as:

A

a< c < b < d

B

c < d < b < a

C

d< b < c< a

D

b< d< a< c

Text Solution

Verified by Experts

The correct Answer is:
C
The orbitals are (a)4p, (b)4s, (c)3d, (d)3p
`:.` Increasing order of energy is
or `d(ep)ltb(4s)ltc(3d)lta(4p)`
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