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Q.

The orbital notation for electron in orbital with the quantum numbers n = 4, l = 3, m, = -2 is:

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a

4p

b

4s

c

4d

d

4f

answer is D.

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Detailed Solution

Since n=4, the electron is in 4th orbit.

l = 3 , it belongs to f-subshell.

l = 3 , m = -3, -2, -1, 0, +1, +2 and +3..

Thus with m= -2 only two electrons are possible.

n = 4, l = 3 and m = -2 ……only two electrons with opposite spin are possible.

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