What is true about the IR spectrum of 2,3-dimethyl-2-butene? Question 36 options: The peaks at 1600-1700 cm-1 (C=C) and at 3100 cm-1 (C-H; sp2-s bond) will not be observed There will be a peak (C=C) at 1600-1700 cm-1 There will be a peak (C-H; sp2-s bond) at 3100 cm-1 There will be a peak (C-H; sp2-s bond) just below 3000 cm-1 There will be a peak (C-H; sp3-s bond) above 3000 cm-1

What is true about the IR spectrum of 2,3-dimethyl-2-butene? Question 36 options: The peaks at 1600-1700 cm-1 (C=C) and at 3100 cm-1 (C-H; sp2-s bond) will not be observed There will be a peak (C=C) at 1600-1700 cm-1 There will be a peak (C-H; sp2-s bond) at 3100 cm-1 There will be a peak (C-H; sp2-s bond) just below 3000 cm-1 There will be a peak (C-H; sp3-s bond) above 3000 cm-1

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL3: Carbon (13c) Nmr Spectroscopy

Section: Chapter Questions

Problem 14CTQ

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molecular formula: C5H9N 1. Given the molecular formula, label important peaks on the spectrum and explain how you determined the Structural Formula for your assigned compound.
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Unknowns for 1H NMR Final Report 10) Chemical Formula: C₁₂H1s (hard to see but, all peaks that integrate to 1H are doublet of doublets) IR: peak at 1650cm-1 2H 10 2H 1H u 7 1H 11) Chemical Formula: C₁0H12O2 IR: strong peak 1720cm-¹ 6 1H 1H 1H 8 12) Chemical Formula: C₂H₂00 IR: strong broad 3300cm-1 5 2H 2H 1H 3 4 PPM 6 PPM -3 septet 1H PPM 9H 6H 18H 0
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	The peaks at 1600-1700 cm^-1 (C=C) and at 3100 cm^-1 (C-H; sp²-s bond) will not be observed
	There will be a peak (C=C) at 1600-1700 cm^-1
	There will be a peak (C-H; sp²-s bond) at 3100 cm^-1
	There will be a peak (C-H; sp²-s bond) just below 3000 cm^-1
	There will be a peak (C-H; sp³-s bond) above 3000 cm^-1