Answer the question below What type of technique is FTIR spectroscopy? a. An emi

Question

Answer the question below What type of technique is FTIR spectroscopy? a. An emission technique b. An absorbance technique c. A UV-Vis technique d. A reflectance technique What does the spectrum of Nitrogen (N2) look like? a. The same as that of air b. It has only p- and r-branches c. The same as that of carbon monoxide d. It doesn't have one! What occurs when the moving mirror in an FTIR spectrometer is the same distance from the beamsplitter as the static mirror? a. Constructive interference (light signal add up) b. Destructive interference (light signal cancel each other) What occurs when the moving mirror in an FTIR spectrometer is 100.5 lambda shorter distance from the beams than the static mirror? a. Constructive interference (light signal add up) b. Destructive interference (light signal cancel each other) What are the selection rules for FTIR absorption? a. Absorption only occurs for symmetrical molecules b. Absorption only occurs with a dipole chang

Explanation / Answer

A. FTIR spectroscopy is an absorbance technique.

B. The spectrum of Nitrogen(N2) looks like the same as that of air.

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