Passage : d-block elements exhibit more than one oxidation states. The outer most electronic configuration of d-block elements is ${ns}^{1-2} {(n-1)d}^{1-10}$ They show the common oxidation state of +II due to the loss of electrons. Ru and Os exhibits a maximum Oxidation state of +VIII in ${RuO}_{4}$ and ${OsO}_{4}$ respectively.
Q. The outer most electronic configuration of d-block elements is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

${ns}^{1-2} (n - 1) d^{1 - 10}$

$n s^{1 - 2} n d^{1 - 10}$

${ns}^{1 - 2} (n - 1) d^{1 - 9}$

$n s^{2} (n - 1) d^{1 - 9}$

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

In all the given choice,B is the correct choice

The outer most electronic configuration of d-block elements is ${ns}^{1-2} (n - 1) d^{1 - 10}$ .

Watch 3-min video & get full concept clarity

JEE

NEET

Foundation JEE

Foundation NEET

CBSE