Question:
Which of the following among alkali metal is most reactive?
Which of the following among alkali metal is most reactive?
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Lower ionization energy means higher metallic reactivity.
Updated On: Mar 24, 2026
- Na
- K
- Rb
- Cs
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The Correct Option is D
Solution and Explanation
Step 1: Reactivity of alkali metals increases down the group.
Step 2: Cesium has the lowest ionization energy.
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