A) \[n=2,\,\,l=1\]
B) \[n=3,\,\,l=2\]
C) \[n=3,\,\,l=1\]
D) \[n=2,\,\,l=0\]
Correct Answer: B
Solution :
Energy is highest in the outermost shell \[n=2,\,\,l=1,\,\,=2p\] \[n=3,\,\,l=2=3d\] \[n=3,\,\,l=1=3p\] \[n=2,\,\,l=0=2s\] According to aufbau's principle \[3d\] has highest energy
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