A) \[NBS/CC{{l}_{4}}\]
B) i. \[B{{r}_{2}}/hv\], ii. , iii. \[NBS+CC{{l}_{4}}+hv\]
C) i. , ii. \[NBS+CC{{l}_{4}}+hv\]
D) i. \[NBS+CC{{l}_{4}}+hv\], ii. \[B{{r}_{2}}/hv\]
Correct Answer: B
Solution :
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