Answered: 2. Compound A, CSH100, is one of the…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Compound A, C5H10O, is one of the basic building blocks of nature. All steroids ans many other naturally occurring compounds are built from compound A. Spectroscopic analysis of A yields the following information.

a) how many double bonds and/or rings does A have?

b) From the IR spectrum, what is the identity of the oxygen-conataining functional group?

c) what kinds of protons are responsible for the NMR absorptions listed

d) propose a structure for A

Singlet)
2. Compound A, CSH100, is one of the basic building blocks of nature. All steroids and
many other naturally occurring compounds are built from compound A. Spectroscopic
analysis of A yields the following information:
IR: 3400 cm-1: 1640 cm-1
H NMR: 1.63 & (3 H, singlet), 1 70 8 (3 H, singlet); 3 83 6 (1 H, broad singlet);
4.15 8 (2 H, doublet, /= 7 Hz); S.70 & ( H, triplet, / 7 Hzi
(a) How many double bonds and/or rings does A have?
(b) From the IR spectrum, what is the identity of the oxygen-containing functional group?
(c) What kinds of protons are responsible for the NMR absorptions listed ?
(d) Propose a structure for A.

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