1) Which compound will have the broadest IR absorption in the 3500 - 2500 cm -1

Question

1) Which compound will have the broadest IR absorption in the 3500 - 2500 cm-1 region?

2)Which compound is expected to have an IR inactive multiple bond?

3)The IR spectrum of an unknown compound has a strong absorption at 1710 cm-1. Identify the unknown compound from the list below.

  

4)Which stretching frequency is not expected to appear in the IR spectrum of the compound shown below?

A) 1640 cm-1
B) 3400 cm-1
C) 2930 cm-1
D) 2230 cm-1
E) 3080 cm-1

1) Which compound will have the broadest IR absorption in the 3500 - 2500 cm-1 region? A) 1640 cm^-1 B) 3400 cm^-1 C) 2930 cm^-1 D) 2230 cm^-1 E) 3080 cm^-1 4)Which stretching frequency is not expected to appear in the IR spectrum of the compound shown below? 3)The IR spectrum of an unknown compound has a strong absorption at 1710 cm-1. Identify the unknown compound from the list below. 2)Which compound is expected to have an IR inactive multiple bond?

Explanation / Answer

1. B
2. D
3. B
4. D) 2230 cm-1

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