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Chrome File Edit View History Bookmarks People Window Help My eCampus B x f Roselle Cruz ost x D CengageBrai OWLV2 Online t x Give One Fragm x IN Chantecaille F rnltakeAssignmen akeCovalentActivity.do?locator assignment-take&takeAssignmentSessionLocato; west.cengagenow.com assi Chapter 12: EOC Question 8 1pt IR spectrum ve one Question 9 1 pt Question 10 1pt H2C. CH CH O Question 11 1pt H3C. 1 pt Question 12 CH H3C Question 13 O 1 pt 2-methylpentan-3-one 3,3-dimethylbutanal Question 14 1 pt (Designate which compound will show that diagnostic fragment or peak by preceding the value with the letter of the Question 15 1pt compound, i.e. "a47" or "b1730". Do not include any units.) Question 16 1 pt Mass spectrum: 1 pt Question 17 IR spectrum. Question 18 1pt Characteristic IR Absorptions of Some Functional Groups Question 19 1pt 1 Functional Group Absorption (cm Functional Group Absorption (cm 1 pt Question 20 Aldehyde Ketone Question 21 1 pt Non-conjugated Cao 1730 Non-conjugated C O 1715 1 pt Conjugated CO 1705 Conjugated Ca o 1690 Question 22 Amide Question 23 1pt o 1690 Carboxylic acid Progress 17/24 items. 1710 Ester Due Jan 30 at Do-H 2500-3100 C o Previous Next 11:50 PM 1735 76% Fri 1:06 PM a EE Ashley 12,605 125

Explanation / Answer

peak at 2750cm-1 in the IR spectrum that could be used to distinguish between these two isomers.The above peak is due to C-H stretching of aldehydic proton observed in compound b.

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