UV-VIS SPECTROSCOPY-THEORY QUIZ
Quiz by SAZLINDA KAMARUZAMAN
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8 questions
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- Q1UV-Vis. Spectroscopy of organic compounds is usually concerned with which electronic transition(s)?sigma to sigma starn to pi star and pi to pi starn to sigma star45s
- Q2Do C=O absorb light in the UV/visible region?NoYes45s
- Q3What is the wavelength range for Visible spectrum of light?400 nm – 700 nm0.01 to 10nm180-380 nm45s
- Q4What is the lowest energy state of atomGround stateExcited state45s
- Q5In which spectroscopic techniques, the change in electronic transition is detected?Mass spectrometryInfrared spectroscopyUV-Vis spectrometerNucleur Magnetic Resonance45s
- Q6Absorption iswhen electrons gain energy and jump to higher energy levels.similar with emissionwhen electrons emit energy and jump to lower energy levels.45s
- Q7Can we perform qualitative and quantitative analysis on UV-Vis spectroscopy?YesNo45s
- Q8What is the electronic transition involve for methane and is this molecule can be detected by UV-Vis spectrometer?n to sigma star and can be detectedpi to pi star and can be detectedsigma to sigma star; can't be detected45s