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The electrons identified by quantum numbers n and l : (1) `n = 4, l = 1` (2) `n = 4, l = 0` (3) `n = 3, l = 2` (4) `n = 3, l = 1` can be placed in order of increasing energy as :A. `(1) gt (3) gt (2) gt (4)`B. `(3) gt (4) gt (2) gt (1)`C. `(4) gt (2) gt (3) gt (1)`D. `(2) gt (4) gt (1) gt (3)` |
Answer» Correct Answer - C `(1) = 4p, (2) = 4s, (3) = 3d, (4) = 3p` The order of increasing energy is `3p lt 4s lt 3d lt 4p " i.e., " (4) lt (2) lt (3) lt (1)` |
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