Four elements P,Q,R & S have ground state electronic configuration as: `{:(P rarr 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(3),Q rarr 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(1)),(R rarr 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(3),S rarr 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(1)):}` Order of `IE_(1)` values among the following isA. `P gt R gt Q = S`B. `P lt R lt S lt Q`C. `R gt S gt P gt Q`D. `P gt S gt R gt Q`

Four elements P,Q,R & S have ground state electronic configuration as:

1.	Four elements P,Q,R & S have ground state electronic configuration as: `{:(P rarr 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(3),Q rarr 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(1)),(R rarr 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(3),S rarr 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(1)):}` Order of `IE_(1)` values among the following isA. `P gt R gt Q = S`B. `P lt R lt S lt Q`C. `R gt S gt P gt Q`D. `P gt S gt R gt Q`
Answer» Correct Answer - A

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