Element | Ionization enthalpy (kJ/mol) | ||
1st | 2nd | 3rd | |
A | 899 | 1757 | 14847 |
B | 737 | 1450 | 7731 |
A) Both 'A' and 'B' belong to group-1 where 'A' comes below 'B'.
B) Both 'A' and 'B' belong to group-2 where 'A' comes below 'B'.
C) Both 'A' and 'B' belong to group-1 where 'B' comes below 'A'.
D) Both 'A' and 'B' belong to group-2 where 'B' comes below 'A'.
Correct Answer: D
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