Q. Which of the following metal is most reactive?
Answer: Potassium
Notes: A reactive metal is one that readily reacts with other elements to give up its electrons. The order of intensity of reactivity is known as reactivity series. Potassium is at the top of the series and hence most reactive. Reactivity of some metals are given in descending order:

This Question is Also Available in:

हिन्दी
Question Source: 📚This question has been sourced from GKToday's "40000+ GK / General Studies MCQs for SSC & State PCS Exams" App Exclusive Course in GKToday Android Application which provides more than 40K General Knowledge and General Studies questions with explanations asked in all Competitive Exams of India. Download the app here.
📌 Question Number: 94 in Chemistry-17-Important Metals in the above course in App.