Question

please answer the given question​

Answer 1

Answer:

the answer will be option A

Explanation:

This is beautiful reasons like Na lies in the first group. So it is hydration enthalpy more than zn CU mg and zn lies in the 13th group. Therefore it has less CU comes down in the periodic table show. It its reactivity come slow than the others save in the case of MG it is compatible with any but ionization enthalpy of n is greater than MG so any will be more reactive than Mg