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FIXED #211 :Instrumentation and Working Principles of Infra Red (IR) Spectroscopy Using Salt Plates_Quizzes #200

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FIXED #211 :Instrumentation and Working Principles of Infra Red (IR) Spectroscopy Using Salt Plates_Quizzes #200

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30 changes: 17 additions & 13 deletions src/lab/exp6/Quizzes.html
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Expand Up @@ -24,6 +24,7 @@
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Expand Down Expand Up @@ -107,9 +108,8 @@ <h1 class="text-h2-lightblue">Instrumentation and Working Principles of Infra Re
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<form class="q1" name="q1">
<p><b>1. 1. The most commonly used and relatively less expensive cell for routine use in IR spectroscopy is:</b><br>
<input id="q1" name="q1" onclick="checkAnswer1(this.value,1)" type="radio" value="10">a. Sodium chloride<br>
<input id="q1" name="q1" onclick="checkAnswer1(this.value,1)" type="radio" value="0">b. Potassium Chloride<br>
<input id="q1" name="q1" onclick="checkAnswer1(this.value,1)" type="radio" value="1">c. Glass Cells<br>
<input id="q1" name="q1" onclick="checkAnswer1(this.value,1)" type="radio" value="2">d. Plastic Cells
<br><br>
</br></br></input></br></input></br></input></br></input></br></p></form>
</input> </input> </input> </input> </p>
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<form class="q2">
<p><b>2. Materials made of glass are not used for IR measurement because:</b><br>
<input id="q2" name="q2" onclick="checkAnswer1(this.value,2)" type="radio" value="10">a. strongly absorb through out the IR region of the spectrum.<br>
<input id="q2" name="q2" onclick="checkAnswer1(this.value,2)" type="radio" value="1">b. do not absorb through out the IR region of the spectrum.<br>
<input id="q2" name="q2" onclick="checkAnswer1(this.value,2)" type="radio" value="0">c. udergo scattering.<br>
<input id="q2" name="q2" onclick="checkAnswer1(this.value,2)" type="radio" value="2">d. remains unaltered
<br><br>
</br></br></input></br></input></br></input></br></input></br></p></form>
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<form class="q3">
<p><b>3. To measure the Spectrum of a compound in the range of 4000 to 400 cm<sub>-1</sub> the following plates is used: </b><br>
<input id="q3" name="q3" onclick="checkAnswer1(this.value,3)" type="radio" value="0">a. Glass plates<br>
<input id="q3" name="q3" onclick="checkAnswer1(this.value,3)" type="radio" value="1">b. Sodium chloride plates<br>
<input id="q3" name="q3" onclick="checkAnswer1(this.value,3)" type="radio" value="10">c. Potassium bromide plates<br>
<input id="q3" name="q3" onclick="checkAnswer1(this.value,3)" type="radio" value="2">d. Silica plates
<br><br>
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<form class="q4">
<p><b>4. Which of the following bonds is expected to have the highest frequency stretch?</b><br>
<input id="q4" name="q4" onclick="checkAnswer1(this.value,4)" type="radio" value="0">a. carbon-carbon single bond<br>
<input id="q4" name="q4" onclick="checkAnswer1(this.value,4)" type="radio" value="1"> b. carbon-carbon double bond<br>
<input id="q4" name="q4" onclick="checkAnswer1(this.value,4)" type="radio" value="10"> c. carbon-carbon triple bond<br>
<input id="q4" name="q4" onclick="checkAnswer1(this.value,4)" type="radio" value="2">d. carbon-bromine single bond
<br><br>
</br></br></input></br></input></br></input></br></input></br></p></form>
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<form class="q5">
<p><b>5. A strong signal at 3300 cm<sub>-1</sub> in an IR spectrum indicates presence of</b><br>
<input id="q5" name="q5" onclick="checkAnswer1(this.value,5)" type="radio" value="10">a. alcohol<br>
<input id="q5" name="q5" onclick="checkAnswer1(this.value,5)" type="radio" value="1">b. ether<br>
<input id="q5" name="q5" onclick="checkAnswer1(this.value,5)" type="radio" value="0">c. carbonyl<br>
<input id="q5" name="q5" onclick="checkAnswer1(this.value,5)" type="radio" value="2">d. amine
<br><br>
</br></br></input></br></input></br></input></br></input></br></p></form>
</input> </input> </input> </input> </p></form>
<form class="q6">
<p><b>6. The carbonyl (C=O) stretching frequency appears at:</b><br>
<input id="q6" name="q6" onclick="checkAnswer1(this.value,6)" type="radio" value="1"> a. 740 - 720<br>
<input id="q6" name="q6" onclick="checkAnswer1(this.value,6)" type="radio" value="10"> b. 1870 - 1650<br>
<input id="q6" name="q6" onclick="checkAnswer1(this.value,6)" type="radio" value="0"> c. 3640 - 3250<br>
<input id="q6" name="q6" onclick="checkAnswer1(this.value,6)" type="radio" value="2">d. 1160 - 1030
<br><br>
</br></br></input></br></input></br></input></br></input></br></p></form>
</input> </input> </input> </input> </p></form>
<form class="q7">
<p><b>7. Where in an IR spectrum does a carbon-carbon triple bond show a stretching vibration</b><br>
<input id="q7" name="q7" onclick="checkAnswer1(this.value,7)" type="radio" value="1">a. 2700 cm<sup>-1</sup><br>
<input id="q7" name="q7" onclick="checkAnswer1(this.value,7)" type="radio" value="0">b. 3100 cm<sup>-1</sup><br>
<input id="q7" name="q7" onclick="checkAnswer1(this.value,7)" type="radio" value="10">c. 2100 cm<sup>-1</sup><br>
<input id="q7" name="q7" onclick="checkAnswer1(this.value,7)" type="radio" value="2">d. 3300 cm<sup>-1</sup>
<br><br>
</br></br></input></br></input></br></input></br></input></br></p></form>
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<form class="q8">
<p><b>8. Infrared spectroscopy provides valuable information about</b><br>
<input id="q8" name="q8" onclick="checkAnswer1(this.value,8)" type="radio" value="1"> a. molecular weight<br>
<input id="q8" name="q8" onclick="checkAnswer1(this.value,8)" type="radio" value="2">b. Physical properties<br>
<input id="q8" name="q8" onclick="checkAnswer1(this.value,8)" type="radio" value="0">c. chemical properties<br>
<input id="q8" name="q8" onclick="checkAnswer1(this.value,8)" type="radio" value="10">d. functional groups.
<br><br>
</br></br></input></br></input></br></input></br></input></br></p></form>
</input> </input> </input> </input> </p></form>
<form class="q9">
<p><b>9. What determines the intensity of an IR peak absorption in an IR spectrum?</b><br>
<input id="q9" name="q9" onclick="checkAnswer1(this.value,9)" type="radio" value="0">a. the change in polarizability during vibration<br>
<input id="q9" name="q9" onclick="checkAnswer1(this.value,9)" type="radio" value="1"> b. the change in bond length during vibration<br>
<input id="q9" name="q9" onclick="checkAnswer1(this.value,9)" type="radio" value="10">c. the change in dipole moment during vibration<br>
<input id="q9" name="q9" onclick="checkAnswer1(this.value,9)" type="radio" value="2">d. the molecular weight of the bonding atoms
<br><br>
</br></br></input></br></input></br></input></br></input></br></p></form>
</input> </input> </input> </input> </p></form>
<form class="q10">
<p><b>10. The most effect method of IR spectroscopy is the:</b><br>
<input id="q10" name="q10" onclick="checkAnswer1(this.value,10)" type="radio" value="0"> a. Dispersion spectrometers<br>
<input id="q10" name="q10" onclick="checkAnswer1(this.value,10)" type="radio" value="1"> b. Reflection spectrometers<br>
<input id="q10" name="q10" onclick="checkAnswer1(this.value,10)" type="radio" value="10">c. Fourier-Transform spectrometers<br>
<input id="q10" name="q10" onclick="checkAnswer1(this.value,10)" type="radio" value="2"> d. Deflection spectrometers<br>
</br></input></br></input></br></input></br></input></br></p></form>
</input> </input> </input> </input> </p></form>

</div> </div>
</div>
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