Why does adding 6 M NaOH to the red solution tend to make it turn back to yellow NaOH dissociates into Na+ and OH ions. OH can react with the H* in the product side, decreasing [H*] and resulting in a shift to the right to form more H* and MO™. NaOH dissociates into Na+ and OH ions. OH can react with the H* in the product side, increasing the amount of water and resulting in a shift to the left to form more HMO. O NaOH reacts with MO, leading to a decrease in its concentration and a shift forward in the reaction. None of these.

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.77QE
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Methyl orange, HMO, is a common acid-base indicator. In solution it ionizes
according to the equation:
HMO(aq) → H(aq) + MO (aq)
yellow
red
If methyl orange is added to distilled water, the solution turns yellow. If a drop or two
of 6 M HCI is added to the yellow solution, it turns red. If to that solution one adds a
few drops of 6 M NaOH the color reverts to yellow.
Transcribed Image Text:Methyl orange, HMO, is a common acid-base indicator. In solution it ionizes according to the equation: HMO(aq) → H(aq) + MO (aq) yellow red If methyl orange is added to distilled water, the solution turns yellow. If a drop or two of 6 M HCI is added to the yellow solution, it turns red. If to that solution one adds a few drops of 6 M NaOH the color reverts to yellow.
Why does adding 6 M NaOH to the red solution tend to make it turn back to yellow
O NaOH dissociates into Na+ and OH ions. OH can react with the H* in the product side, decreasing [H*] and
resulting in a shift to the right to form more H* and MO".
O NaOH dissociates into Na* and OH ions. OH can react with the H* in the product side, increasing the
amount of water and resulting in a shift to the left to form more HMO.
O NaOH reacts with MO, leading to a decrease in its concentration and a shift forward in the reaction.
O None of these.
Transcribed Image Text:Why does adding 6 M NaOH to the red solution tend to make it turn back to yellow O NaOH dissociates into Na+ and OH ions. OH can react with the H* in the product side, decreasing [H*] and resulting in a shift to the right to form more H* and MO". O NaOH dissociates into Na* and OH ions. OH can react with the H* in the product side, increasing the amount of water and resulting in a shift to the left to form more HMO. O NaOH reacts with MO, leading to a decrease in its concentration and a shift forward in the reaction. O None of these.
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