Question

which of the following reacts with cold water vigorously?​

Answer 1

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Explanation:The alkali metals (Li, Na, K, Rb, Cs, and Fr) are the most reactive metals in the periodic table - they all react vigorously or even explosively with cold water, resulting in the displacement of hydrogen.

Answer 2

What are the options if not given (potassium,lithium)while potassium is less reactive than lithium.
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