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Abhishek Jhunjhunwala

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2 years ago

Identify the group which is not a Dobereiner triad         a. Li, Na, K         b. Be, Mg, Cr         c. Ca, Sr, Ba         d. Cl, Br, I

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Muskan Anand

2 years ago

Option B. Here the correct answer to your question is Option b). Be, Mg, Cr.

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