Chemistry Halide Ions Essay

Reactivity of Halide Ions

Purpose:

There are four halide debris used in this kind of experiment which have been found in the human body. Sodium fluoride is dangerous, but continues to be traced to get beneficial to human beings in the elimination of dental decay. Sodium chloride is added to a number of our foods to boost flavor. Sodium chloride is very important for many your life processes, but too much absorption is connected to high blood pressure. Sodium bromide is distributed throughout body cells. Sodium iodine controls cellular growth. The main oxidation quantity of the halogens is -1. All halogens, except fluorine have various other oxidation numbers. In this research the production of recognizable precipitates and intricate ions will be found. Findings will be used to determine the halide ion presented in the unknown option. Hypothesis:

If the halide ions behave, then the production of medications and complicated ions will be recognizable. Components:

*

2. 24-well microplate

* AgNO3, 0. you M

* Ca(NO3)2, zero. 5 Meters

* Mitts

* KBr, 0. a couple of M

5. KI, 0. 2 Meters

* Research laboratory apron

5. Na2S2O3, 0. 2 M

* NaCl, 0. one particular M

* NaF, 0. 1 Meters

5. NaOCl (commercial bleach), 5%

* NH3(aq), 4 Meters

* Protection goggles

* Starch option, 3%

5. Thin-stemmed pipets (12)

Treatment:

1 ) ) Put on safety eye protection, gloves, and a lab apron.

2 . ) Put some drops of 0. one particular M NaF into every single of four wells in the very first row. Set 4 drops of 0. 1 Meters NaCl in each of the 4 wells inside the 2nd line. Put some drops of 0. 2 M KBr into all the four water wells in the third row. Set 4 drops of zero. 2 Meters KI in to each of the several wells in the 4th row. Put 5 drops of the single unfamiliar solution in to each of the four wells inside the 5th line. Put 5 drops of the double not known solution in to each of the 4 wells inside the 6th row. 3. ) Add some drops of 0. 5 M Ca(NO3)2 solution to all the four halide solutions in column 1 ) Add 4 drops of 0. you M AgNO3 solution to all the four halide solutions in column installment payments on your Add some drops of 0. 1 M AgNO3 + 4 M NH3 solution...

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