Structure Of Atom Ques 53
53. For which one of the following sets of four quantum numbers, an electron will have the highest energy?
[1994]
| $n$ | $l$ | $m$ | $s$ | ||
|---|---|---|---|---|---|
| (a) | $3$ | $2$ | $1 $ | $1 / 2$ | |
| (b) | $4$ | $2$ | $-1$ | $1 / 2$ | |
| (c) | $4$ | $1$ | $0 $ | $-1 / 2$ | |
| (d) | $5$ | $0$ | $0 $ | $-1 / 2$ |
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Answer:
Correct Answer: 53.(b)
Solution:
- (b) The sub-shell are $3$ $ d, 4 $ $d, 4$ $ p$ and $5 $ $s, 4 d$ has highest energy as $n+l$ value is maximum for this.
BETA
