Q. Which one of the following triad represents Dobereiner's Triad?
A) Na, Sr, Br
B) Li, Na, K
C) Li, Ca, C1
D) Li, K, Na
✔ Correct Answer: Li, Na, K
Exam Insight
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A) Na, Sr, Br
B) Li, Na, K
C) Li, Ca, C1
D) Li, K, Na
✔ Correct Answer: Li, Na, K
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