1.

Statement-1: The `5^(th)` period of periodic table contains 18 elements are 32. Statement-1: `n = 5, l = 0,1,2,3`. The order in which the energy of available orbitals `4d,5s` and 5p increases is `5s lt 4d lt 5p` and the total number of orbitals avaiable are 9 and thus 18 electrons can be accommodated.A. Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-4B. Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-4C. Statement-1 is True, Statement-2 is FalseD. Statement-1 is False, Statement-2 is True

Answer» Correct Answer - A


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