11. Following Question 10, is this vibration IR and Raman active/inactive? (A) IR and Raman active (B) IR and Raman inactive (C) IR active, Raman inactive (D) IR inactive, Raman active

1. The Nobel Prize in Chemistry in 2022 was awarded to click chemistry, or the azide-alkyne cycloaddition to connect two molecular fragments. For their initial discovery, what metal ion was required as a catalyst for this reaction to proceed at a milder condition? (A) Cu(I) (B) Zn(II) (C) Fe(II) (D) Fe(III) (E) Mo(II)

11. Following Question 10, is this vibration IR and Raman active/inactive?
(A) IR and Raman active
(B) IR and Raman inactive
(C) IR active, Raman inactive
(D) IR inactive, Raman active

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