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Lakhmir Singh Solutions Class 10 Chemistry Solutions for Exercise in Chapter 4 - Chapter 4 Carbon and its Compounds

Question 75 Exercise

(a) How does the chemical reactivity of alkali metals vary on going down in group 1 of the periodic table?

(b) How does the chemical reactivity of the halogens vary on going down in group 17 of theperiodic table?

Answer:

(a) In group 1 of alkali metals, the chemical reactivity increases from lithium to francium.

(b) In group 17 of halogen elements, the chemical reactivity decreases from fluorine to iodine.

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