Question

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Which of the following is not a dobereiner's triade??

•Li,Na,K
•Cl,K,Cr
•Ca,Sr,Ba
•Cl,Br,I

Answer 1

hey frnd....
Cl, K, Cr is not a dobereiner traid.

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Answer 2

$\bold{Hey \: mate \: here \: is \:your \: ANSWER}$

2 option is not a doberniers triad because average of Cl and Cr is not equal to average of K.

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