Profects
[PARVATIBAI CHOWGULE COLLEGE(H.S.S)-MARGAO-GOA] Chemistry chart Std-XII
Name______________________________________________ Class____________________________________ Div__________________ Roll No___________ Batch No_______
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[PARVATIBAI CHOWGULE COLLEGE(H.S.S)-MARGAO-GOA] Chemistry chart Std-XII VOLUMETRIC ANALYSIS
REDOX TITRATIONS Experiment No:- 1 Date:---------------
Aim:- You are provided with two solutions as follows. Container A: -----------------M/N Stock Solution of Hydrated Mohr’s Salt. Container B: - KMnO4 Solution. Using the Stock Solution from container A Prepare 100 ml of ______________ M/N Solution of Mohr’s Salt in the given standard measuring flask C. Using the solution in flask C determine the 1. Molarity/Normality of the solution in container B. 2. Strength of less /more concentrated solution in container B/C in terms of gms/______ ml. 3. % Purity of Solution in Container B (-----Gms of which have been dissolved per-------ml) Apparatus & Chemical Required:-Burette, Pipette, Burette Stand, White tile, conical flask, KMnO4 Solution & stock solution of Mohr’s Salt. Theory:-(Write ionic equation given on page-7) Procedure: 1. Rinse the pipette with the _____ N/M Mohr’s Salt solution and pipette out 10 ml of it in a washed titration flask. 2. Rinse and fill the burette with the given KMn04 solution. 3. Add one test-tube (15 ml) full of dilute sulphuric acid (2 N) to the solution in the titration flask. 4. Note the initial reading of the burette. 5. Add KMn04 solution from the burette till a permanent light pink colour is imparted to the solution in the titration flask on addition of the last single drop of KMn04 solution. 6. Note the final reading of the burette. 7. Repeat the above steps to get three concordant readings.
Result:
Solution Normality ---------N Molarity ..... M ..... M Strength ..... gms ..... gms % Purity .....
KMnO4
---------N
_____________Solution is Less/More Concentrated in terms of Normality/Molarity.
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Name______________________________________________ Class____________________________________ Div__________________ Roll No___________ Batch No_______
1
[PARVATIBAI CHOWGULE COLLEGE(H.S.S)-MARGAO-GOA] Chemistry chart Std-XII VOLUMETRIC ANALYSIS
REDOX TITRATIONS Experiment No:- 1 Date:---------------
Aim:- You are provided with two solutions as follows. Container A: -----------------M/N Stock Solution of Hydrated Mohr’s Salt. Container B: - KMnO4 Solution. Using the Stock Solution from container A Prepare 100 ml of ______________ M/N Solution of Mohr’s Salt in the given standard measuring flask C. Using the solution in flask C determine the 1. Molarity/Normality of the solution in container B. 2. Strength of less /more concentrated solution in container B/C in terms of gms/______ ml. 3. % Purity of Solution in Container B (-----Gms of which have been dissolved per-------ml) Apparatus & Chemical Required:-Burette, Pipette, Burette Stand, White tile, conical flask, KMnO4 Solution & stock solution of Mohr’s Salt. Theory:-(Write ionic equation given on page-7) Procedure: 1. Rinse the pipette with the _____ N/M Mohr’s Salt solution and pipette out 10 ml of it in a washed titration flask. 2. Rinse and fill the burette with the given KMn04 solution. 3. Add one test-tube (15 ml) full of dilute sulphuric acid (2 N) to the solution in the titration flask. 4. Note the initial reading of the burette. 5. Add KMn04 solution from the burette till a permanent light pink colour is imparted to the solution in the titration flask on addition of the last single drop of KMn04 solution. 6. Note the final reading of the burette. 7. Repeat the above steps to get three concordant readings.
Result:
Solution Normality ---------N Molarity ..... M ..... M Strength ..... gms ..... gms % Purity .....
KMnO4
---------N
_____________Solution is Less/More Concentrated in terms of Normality/Molarity.
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Bibliography: 13.Reference. Note:- The Project report is to be written by the students in their own handwriting on A4-size Bond paper & submitted in a file. Only the cover page with title may be a computer print. 30