Question

Following data is given of lonization Energies and Electron Affinity for different elements
Elements IE,(kJ/mole) IE2(kJ/mole) EA(kJ/mole)
A
50
65
10
B
18
30
-20
с
30
45
-45
12
16
-33
E
5
25
-5
F
35
50
-150
1.
Out of the following, which one is most reactive metal?
(A)A
(B) B
(C)C

Answer 1

Answer:

metal will more reactive if its belong to 1st group of periodic table and more elctropositive in nature..

so 1st ionisation energy must low and 2nd ionisation energy must very high...

so answer will be metal E