11. SF₆ has A₁g, Eg, and T₁u vibrational modes. The T₁u mode is(A)IR and Raman active(B)IR and Raman inactive(C)IR active, Raman inactive(D)IR inactive, Raman active

1. Which breakthrough was awarded the Nobel Prize in Chemistry in 2023?(A)Development of ultra-high-resolution electron microscopy for biological systems(B)Discovery and synthesis of quantum dots(C)Discovery of a new class of antibiotics targeting antibiotic-resistant bacteria(D)Advancements in computational chemistry for drug discovery(E)Creation of sustainable and efficient hydrogen production methods

11. SF₆ has A₁g, Eg, and T₁u vibrational modes. The T₁u mode is
(A)IR and Raman active
(B)IR and Raman inactive
(C)IR active, Raman inactive
(D)IR inactive, Raman active

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