Question

(5) Which of the following triads does not follow
Dobereiner's law of triads?
(a) Li, Na, K (b) Ca, Sr, Ba
(C) Be, Mg, Ca (d) Cu, Ag, Au​

Answer 1

Answer:

Option d

Explanation:

Doberniar's Triads:

Li, Na, K

Ca, S, Be

Cl, Br I

But Be, Mg, Ca also follow the law

Therefore option d does not follow

Answer 2

Answer:

"c" is will be the answer..