Microsoft Word - Tutorial 3 - CC3319 Organic Chemistry Tutorial 3 UV\/IR Name Student ID Tutorial Group 1 Which sequence correctly ranks the regions of

Microsoft Word - Tutorial 3 - CC3319 Organic Chemistry...

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1CC3319 Organic Chemistry - Tutorial 3 - UV/IR Name: Student ID: Tutorial Group: ___ 1. Which sequence correctly ranks the regions of the electromagnetic spectrum in order of increasing energy? (1 mark) 1) infrared 2) ultraviolet 3) radio wave A) 3 < 1 < 2 B) 3 < 2 < 1 C) 2 < 1 < 3 D) 1 < 3 < 2 2. Absorption of what type of electromagnetic radiation results in electronic transitions? (1 mark) 3. Absorption of what type of electromagnetic radiation results in transitions among allowed vibrational motions? _____________________________ (1 mark) 4. The frequency of the stretching vibration of a bond in IR spectroscopy depends on what two quantities? 5. A nonlinear molecule with n atoms generally has __________ fundamental vibrational modes (degree of freedom). (1 mark) A) 2n B) 2n - 2 C) 3n

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