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Part V: Methyl Orange acid-base equilibrium: Methyl Orange is a pH indicator that changes color with changes in pH. The molecule itself is an acid and thus the color change is the result of the protonated form having one color and the deprotonated form having a different color. The molecular structures are shown below. As these structures show they are complex molecules. Therefore it is common to abbreviate the structure to highlight the small changes that are occurring. The reactant structure has a negative charge and since methyl orange is an indicator, can be represented as In-. The product has bound an additional proton and has no net charge and can be represented as Hin. a Hin In- 19. Obtain 2 small beakers and place 10 mL of distilled water in each beaker. These beakers of water will be used to make samples of dilute acid and dilute base that you will use to observe the equilibrium above. 20. To one beaker add 4 drops of 6M HCl and mix well, to the other beaker add 4 drops of 6M NaOH and mix well. Carefully label the beakers. 21. Add 4 drops of Methyl Orange and 1 mL of dist water to a test tube. Add 2 drops of the dilute acid, mix well, and record the color of the solution. 22. Add the dilute base to the test tube until the color changes. Record the change. Write the acid equilibrium as a net ionic reaction for methyl orange. Use your observations in steps 21 and 22 to identify the color of In' and Hin. What color is the basic form of methyl orange