Which of the following group of elements form Dobereiner's Triad?

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

Li, Na, K

Na, Ra, Al

S, O, H

N, P, As

answer is D.

(Unlock A.I Detailed Solution for FREE)

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Döbereiner’s Law of Triads,
When elements having the similar properties are taken three at a time and arranged in the ascending order of their atomic weights, the atomic weight of the middle element is the average of the atomic weights of the first and third element.
Döbereiner’s “triads” (Groups of three similar elements ) Such as:
Li, Na, K
Cl, Br, I
Ca, Ba, Sr

Watch 3-min video & get full concept clarity

Ready to Test Your Skills?

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

Take Free Test