diff --git a/src/lab/exp6/Quizzes.html b/src/lab/exp6/Quizzes.html index d76a9b0..bcd6e73 100644 --- a/src/lab/exp6/Quizzes.html +++ b/src/lab/exp6/Quizzes.html @@ -24,6 +24,7 @@ +
1. 1. The most commonly used and relatively less expensive cell for routine use in IR spectroscopy is: a. Sodium chloride @@ -155,7 +156,10 @@
2. Materials made of glass are not used for IR measurement because: a. strongly absorb through out the IR region of the spectrum. @@ -163,7 +167,7 @@
3. To measure the Spectrum of a compound in the range of 4000 to 400 cm-1 the following plates is used: a. Glass plates @@ -171,7 +175,7 @@
4. Which of the following bonds is expected to have the highest frequency stretch? a. carbon-carbon single bond @@ -179,7 +183,7 @@
5. A strong signal at 3300 cm-1 in an IR spectrum indicates presence of a. alcohol @@ -187,7 +191,7 @@
6. The carbonyl (C=O) stretching frequency appears at: a. 740 - 720 @@ -195,7 +199,7 @@
7. Where in an IR spectrum does a carbon-carbon triple bond show a stretching vibration a. 2700 cm-1 @@ -203,7 +207,7 @@
8. Infrared spectroscopy provides valuable information about a. molecular weight @@ -211,7 +215,7 @@
9. What determines the intensity of an IR peak absorption in an IR spectrum? a. the change in polarizability during vibration @@ -219,14 +223,14 @@
10. The most effect method of IR spectroscopy is the: a. Dispersion spectrometers b. Reflection spectrometers c. Fourier-Transform spectrometers d. Deflection spectrometers -