Anomalous pairs according to Mendeleev

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

All

Ar, K

Co, Ni

Te, I

answer is D.

(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

Anomalous pairs means in certain pair of elements the increasing order of atomic-masses was not obeyed. But 1) Argon placed before potassium in periodic table. 2) The position cobalt and nickel are not in proper order and 3) The position of Te and I are not in proper order

That is (Ar, K) , (Co, Ni) and (Te, I)

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th