Question

HW4. Student C needs to separate two compounds from one another and runs a column. He then calls you over and explains that after running his column, he collected 5 fractions, and he shows you the TLC of the fractions from the column. Consider the following scenarios: A. Student C loaded his sample onto the column diluted with too much solvent. Would this scenario lead to the above TLC result? Yes or No. Why? B. Student C used too nonpolar an eluent system when running the column. Would this scenario lead to the above TLC result? Yes or No. Why? C. Student C used too polar an eluent system when running the column. Would this scenario lead to the above TLC result? Yes or No. Why? D. Student C used too little adsorbent when running the column. Would this scenario lead to the above TLC result? Yes or No. Why? E. Student C added eluent prior to material being adsorbed into silica when running the column. Would this scenario lead to the above TLC result? Yes or No. Why? F. Student C used a column that had too large a diameter. Would this scenario lead to the above TLC result? Yes or No. Why?

          HW4. Student C needs to separate two compounds from one another and runs a column. He then calls you over and explains that after running his column, he collected 5 fractions, and he shows you the TLC of the fractions from the column. Consider the following scenarios:

A. Student C loaded his sample onto the column diluted with too much solvent. Would this scenario lead to the above TLC result? Yes or No. Why?

B. Student C used too nonpolar an eluent system when running the column. Would this scenario lead to the above TLC result? Yes or No. Why?

C. Student C used too polar an eluent system when running the column. Would this scenario lead to the above TLC result? Yes or No. Why?

D. Student C used too little adsorbent when running the column. Would this scenario lead to the above TLC result? Yes or No. Why?

E. Student C added eluent prior to material being adsorbed into silica when running the column. Would this scenario lead to the above TLC result? Yes or No. Why?

F. Student C used a column that had too large a diameter. Would this scenario lead to the above TLC result? Yes or No. Why?

$HW4. Student C needs to separate two compounds from one another and runs a column. He then calls you over and explains that after running his column, he collected 5 fractions, and he shows you the TLC of the fractions from the column. Consider the following scenarios: A. Student C loaded his sample onto the column diluted with too much solvent. Would this scenario lead to the above TLC result? Yes or No. Why? B. Student C used too nonpolar an eluent system when running the column. Would this scenario lead to the above TLC result? Yes or No. Why? C. Student C used too polar an eluent system when running the column. Would this scenario lead to the above TLC result? Yes or No. Why? D. Student C used too little adsorbent when running the column. Would this scenario lead to the above TLC result? Yes or No. Why? E. Student C added eluent prior to material being adsorbed into silica when running the column. Would this scenario lead to the above TLC result? Yes or No. Why? F. Student C used a column that had too large a diameter. Would this scenario lead to the above TLC result? Yes or No. Why?$

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