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Chemistry
Read the following statements and mark the incorrect statement.
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Q. Read the following statements and mark the incorrect statement.
Structure of Atom
A
No two electrons in an atom can have all the four quantum numbers same
8%
B
All the orbitals in a subshell are first occupied singly with parallel spins
15%
C
The outer electronic configuration of chromium atom is $3d^4\, 4s^2$
74%
D
Lyman series of hydrogen spectrum lies in ultraviolet region
2%
Solution:
The outer electronic configuration of chromium atom is $3d^5\, 4s^1$.