1. Acids produce a. Na ions b. OH ions c. H ions d. CI ions when dissolved in wa
ID: 104864 • Letter: 1
Question
1. Acids produce a. Na ions b. OH ions c. H ions d. CI ions when dissolved in water 2. A solution with a pH of 4 is.. a. Neutral b. Acidic c. Basic d. Salty 3. HSO, is added to oxalic acid solution before titration with KMn04 solution in order to: a. Speed up reaction b. Slow down reaction c. Dissolve formed ions d. Help produce a color at the endpoint. a, Neutral b. Acidic c. Basic d. Salty when dissolved in water 2. Bases produce a. Na· ions b. OH ions c. H ions d. Cl ions 3. Oxalic acid solution is heated before titration with KMn04 solution in order to: a. Speed up reaction b. Slow down reaction c. Dissolve formed ions d. Help produce a color at the endpoint 1. For bases, the following is true. a. [H] [OH d. OH is zero 2. If acid is added to water, the concentration of OH a. Increases b. Decreases c. Stays the same d. Water does not contain OH 3. The oxidation state for manganese element in MnO4 is: a. +2 b. +6 c. +7 d. +8Explanation / Answer
1) Acids produce c. H+ ions when dissolved in water.
2) A solution with a pH of 4 is b. acidic
3) H2SO4 is added to the oxalic acid solution before titration with KMnO4 solution in order to: c. Dissolved formed ions
4) A solution with a pH of 7 is a. neutral
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