How does a buffer resist change in pH upon addition of a strong base? Question 4 options: The strong base reacts with the weak base in the buffer to form a weak acid, which produces few H+ ions in solution and therefore only a little change in pH. The strong base reacts with the strong acid in the buffer to form a salt which produces few H+ ions in solution and therefore only a little change in pH. The strong base reacts with the weak acid in the buffer to form a weak base, which produces few H+ ions in solution and therefore only a little change in pH. For the acid/base titration of HNO3 and KOH, choose a suitable indicator from the list below. Beside each indicator, the pH range of colour change at its endpoint is provided. Question 5 options: methyl orange (3.1 - 4.4) bromothylmol blue (6.0 - 7.7) thymolphthalein (8.3 - 10.5)
Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
Arrhenius Acid
Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
How does a buffer resist change in pH upon addition of a strong base?
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The strong base reacts with the weak base in the buffer to form a weak acid, which produces few H+ ions in solution and therefore only a little change in pH. |
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The strong base reacts with the strong acid in the buffer to form a salt which produces few H+ ions in solution and therefore only a little change in pH. |
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The strong base reacts with the weak acid in the buffer to form a weak base, which produces few H+ ions in solution and therefore only a little change in pH. |
For the acid/base titration of HNO3 and KOH, choose a suitable indicator from the list below. Beside each indicator, the pH range of colour change at its endpoint is provided.
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methyl orange (3.1 - 4.4) |
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bromothylmol blue (6.0 - 7.7) |
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thymolphthalein (8.3 - 10.5) |
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