Which one of the following is NOT basic? OH- HPO4^2- NO3- SO4^2- ClO4- In the following reaction in aqueous solution, the acid reactant is __________, and its conjugate base product is __________. CH3NH2 + HSO4^- <–> CH3NH3^+ + SO4^2– CH3NH2; CH3NH3+ HSO4-; SO4^2- CH3NH2; SO4^2- HSO4-; H3O+ HSO4-; CH3NH3+ Three acids found in foods are lactic acid (in milk products), oxalic acid (in rhubarb), and malic acid (in apples). The pKa values are LA = 3.88, OA = 1.23, and MA = 3.40. Which list has the conjugate bases of these acids in order of decreasing strength? * Lactate > oxalate > malate Oxalate > Lactate > malate Oxalate > malate > lactate malate > lactate > Oxalate Lactate > malate > oxalate
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.
Which one of the following is NOT basic?
- OH-
- HPO4^2-
- NO3-
- SO4^2-
- ClO4-
In the following reaction in aqueous solution, the acid reactant is __________, and its conjugate base product is __________. CH3NH2 + HSO4^- <–> CH3NH3^+ + SO4^2–
- CH3NH2; CH3NH3+
- HSO4-; SO4^2-
- CH3NH2; SO4^2-
- HSO4-; H3O+
- HSO4-; CH3NH3+
Three acids found in foods are lactic acid (in milk products), oxalic acid (in rhubarb), and malic acid (in apples). The pKa values are LA = 3.88, OA = 1.23, and MA = 3.40. Which list has the conjugate bases of these acids in order of decreasing strength? *
- Lactate > oxalate > malate
- Oxalate > Lactate > malate
- Oxalate > malate > lactate
- malate > lactate > Oxalate
- Lactate > malate > oxalate
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