
IIT JEE : Chemical Families Periodic Properties QUESTIONS AND ANSWERS :: part1 : 21 to 25
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
21.The law of triads is applicable to |
Lithium, beryllium, boron |
Fluorine, chlorine, bromine |
Chlorine, bromine, iodine |
Sodium, potassium, rubidium. |
22.Which of the following is the most electronegative? |
Be |
B |
Al |
Ga. |
23.Which group contains elements that exist as monoatomic molecules? |
1 |
2 |
14 |
18. |
24.In each period, the most electropositive element belongs to group |
18 |
17 |
1 |
2. |
25.Which one of the following sets of elements has the strongest tendency to form positive ions in gaseous state? |
Li, Na, K |
Be, Mg, Ca |
F, Cl, Br |
O, S, Se. |
More Chemical Families Periodic Properties QUESTIONS AND ANSWERS available in next pages
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