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CGP EDU Academic Team
Published on: August 12, 2026
Which of the following has the highest reactivity towards water ?
Text Solution
Verified by ExpertsThe correct answer is:
B
The reaction of alkali metals with water becomes increasingly violent on descending the group on account of their decreasing ionisation energies with increasing atomic size. So, the order of reactivity is Li < Na < K < Rb.
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