1a1b ### TLC Plate Analysis: Understanding Intermolecular Interactions#### IntroductionIn this experiment, a student spotted a three-component mixture onto a Thin Layer Chromatography (TLC) plate and developed it using a solvent system. We will examine this process in detail using the molecular view provided.#### TLC Development Process- **Solvent System**: The TLC plate was developed using a solvent mixture of dichloromethane (DCM) and methanol (MeOH) in a 4:1 ratio.- **Analytes**: The spotted mixture contains three distinct molecules, whose structures are depicted in the lower left corner circle.#### Procedure1. **Spotting the Mixture**: A drop of the three-component mixture was spotted onto the origin of the TLC plate.2. **Developing the Plate**: The plate was placed in a developing chamber with the 4:1 DCM:MeOH solvent system. As the solvent front traveled up the plate, the components of the mixture moved at different rates due to their varying affinities towards the stationary phase (silica) and the mobile phase (solvent).#### Molecular View of the TLC Plate- The image illustrates the molecular interaction between the analytes and the silica (SiO2) plate.- **Stationary Phase**: The right diagram shows the silica surface, which is polar due to the presence of silanol (Si-OH) groups.- **Mobile Phase**: Two DCM (dichloromethane) and one MeOH (methanol) molecules are drawn to show their interaction with the analytes and the silica surface.#### Tasksa) **Draw each molecule analyte (3 in total) in the correct position on the TLC plate.** - The student should be able to identify and draw the correct positions of the three analytes based on their relative polarities and affinities for the stationary phase.b) **Draw two (2) DCM molecules and one (1) MeOH molecule interacting with either the plate or the analytes.** - Demonstrate the interaction of the DCM and MeOH molecules with the analytes or the silica surface on the TLC plate.c) **For all molecules, clearly show the relevant intermolecular forces that explain the TLC results.** - Identify and illustrate the types of intermolecular forces in play (e.g., hydrogen bonding, van der Waals forces, dipole-dip

To determine the order in which the given molecules present in the analytical mixture will appear on…

1. Shown below, a student spotted the three-component mixture onto a TLC plate and developed it using the solvent system listed. Using the Molecular View of the TLC plate provided: a) draw each molecule analyte (3 in total) in the correct position on the TLC plate, b) draw two (2) DCM molecules and one (1) MeOH molecules interacting with either the plate or the analytes, and c) for all molecules, clearly show the relevant intermolecular forces that explain the TLC results. Si- TLC plate eluted with 4:1 DCM:MeOH Generate the Molecular View of TLC plate just before it was removed from the chamber но я он mixture Si Si- 0-H 0-H H 0-H 0-4 -O-H 0-4 -H 0- O-H

1. Shown below, a student spotted the three-component mixture onto a TLC plate and developed it using the solvent system listed. Using the Molecular View of the TLC plate provided: a) draw each molecule analyte (3 in total) in the correct position on the TLC plate, b) draw two (2) DCM molecules and one (1) MeOH molecules interacting with either the plate or the analytes, and c) for all molecules, clearly show the relevant intermolecular forces that explain the TLC results. Si- TLC plate eluted with 4:1 DCM:MeOH Generate the Molecular View of TLC plate just before it was removed from the chamber но я он mixture Si Si- 0-H 0-H H 0-H 0-4 -O-H 0-4 -H 0- O-H

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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