1. Color of spots: Cu Ni Fe ...... 2. Ion requiring no development is 3. Ammonia develops a color. 4. The ion that causes the color of (3) is 5. Dimethylglyoxime develops a ..color. 6. The ion that causes the color of (5) is 7. Ring front distances for knowns are : solvent : ..mm; 8. Cu* mn; Ni* mm ; Fe* mm. 9. distance traveled by spot R distance traveled by liquid 10. Re values for knowns: Cu N Fe

1. Color of spots: Cu Ni Fe ...... 2. Ion requiring no development is 3. Ammonia develops a color. 4. The ion that causes the color of (3) is 5. Dimethylglyoxime develops a ..color. 6. The ion that causes the color of (5) is 7. Ring front distances for knowns are : solvent : ..mm; 8. Cu* mn; Ni* mm ; Fe* mm. 9. distance traveled by spot R distance traveled by liquid 10. Re values for knowns: Cu N Fe

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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1. During the synthesis of Nickel, Ammonia, and Chloride coordination compound why was it necessary to perform a back titration instead of direct titration with HC1? a. Because not all the ammonia would react with HC1 b. Because the bond breaking between nickel and ammonia is slow and you would reach a premature endpoint c. Because ammonia is a weak base d. Because Nickel is a metal e. None of the above
1. In the colorimetric meth9od for chloride determination what is the end product measured following the chemical reaction a. Free thiocyanide ions b. ferric chloride c. ferric thiocyanate d. all of the above e. mercuric chloride 2. a potassiujm level og 6.8 mEq/L (6.8 mmol/L) is obtained. Before reporting the results the first step the technologist should take to: a. none of these b. return the test c. check the serum for hemolysis d. do nothing, simply report out the result e. check the age of patient 3. this electrolyte is used as an indicator for hyoxia a. phosphate b. lactate c. none of these d. magnesium e. calcium
If the water sample used for titration was buffered with acid instead of alkali, the amount of EDTA required to reach the endpoint will: a. stay constant b. be indeterminatec. increased. decrease
Nickel bis-dimethylglyoximate complex was deposited with a weight of (2.721g) with the filter paper from the base medium from adding (10ml) of hot DMG to a salt of nickel chloride at weight (0.4g), find the percentage of nickel ion. Note that the weight of the filter paper (0.78g).
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