1.

What is the order of decreasing vibrational frequency for C Cl, C Br, C C, C O and C H?

A. C-H, C-C, C-O, C- Cl, C-Br
B. C- Cl, C-Br, C-C, C -H, C-O
C. C-O, C-H, C-Br, C- Cl, C-C
D. C-Br, C- Cl, C-C, C-O, C-H
Answer» B. C- Cl, C-Br, C-C, C -H, C-O


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