1.

Consider the following ionization enthalpies of two elements 'A' and 'B'. Elements 1st Lionization 2nd Enthalpy (KJ/mol) A 899 1757 14847 B 737 1450 7731 Which of the following statements is correct?

A. Both 'A' and 'B' belong to group-1 where 'B' comes below 'A'.
B. Both 'A' and 'B' belong to group-1 where 'A' comes below 'B.
C. Both 'A' and 'B' belong to group-2 where 'B' comes below 'A'.
D. Both 'A' and 'B' belong to group-2 where 'A' comes below 'B'.
Answer» D. Both 'A' and 'B' belong to group-2 where 'A' comes below 'B'.


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