Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The electronic configuration of 
is 
where as that of 
is 
. Which of the
following is correct?
A
is more stable
B
is less stable
C
and 
are equally stable
D
Stability of 
and 
II 
depends on nature of copper salts
and II depends on nature of copper salts
Text Solution
Verified by ExpertsThe correct answer is:
A
is more stable than 
. As it is known that, 
has 
stable configuration while 
has 
configuration. But 
is more stable due to greater effective nuclear charge of 
i.e., it hold 17 electrons instead of 18 in 
.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Which of the following characteristic property of is/are correct?
On addition of small amount of to concentrated , a green oily compound is
obtained which is highl…
The magnetic nature of elements depends on the presence of unpaired electrons. Identify
the configu…
Which of the following oxidation state is common for all lanthanoids?
When solution is added to oxalic acid solution, the decolourisation is slow in the
beginning but b…
acts as an oxidising agent in acidic medium. The number of moles of that
will be needed to react …