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[J.N._Gurtu,_Amit_Gurtu.]_Advanced_physical_chemis(BookZZ.org).pdf

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Nov. 17, 2022

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';)~'d,----------
ADVANCED
PHYSICAL CHEMISTRY
EXPERIMENTS
Dr. J.N. Gurtu
M.Sc., Ph.D.
Former Principal
Meerut College, Mee...

PRAGATI PRAKASHAN
Educational Publishers
Head Office: Revised and Enlarged Edition: 2008
PRAGATI BHAWAN
240, W K. Road , M...

CONTENTS
1. IMPORTANT FACTS IN EXPERIMENTAL CHEMISTRY 1-10
2. ERROR ANALYSIS AND STATISTICAL DATA ANALYSIS 11-25
3. ELECTR...

(viii)
4. MOLECULAR WEIGHT OF VOLATILE LIQUIDS 74-83
1. To determine the molecular weight of the volatile liquid (chlorofo...

I
(ix)
6. To determine the latent heat of evaporation. 109
7. To determine the pH of an acid, say oxalic acid (or malonic ...

(x)
9. VAPOUR PRESSURE OF LIQUIDS 146-151
1. To determine the vapour pressure of a pure liquid, say benzene at a series of...

(xi)
4. To find out the equilibrium constant for the tri-iodide formation, 12 + 1- = Ii 182
5. To study the complex format...

(xii)
2. Plot a graph for the miscibility temperature of mixture of 5 ml of 80% phenol and
5 ml of water in presence of 0·...

(xiii)
10. To determine the enthalpy change for the precipitation of a mole of Cu or Ag by
ln, Fe or Mg powder. 239
11. To...

(xiv)
8. To find out the rate constant and order ofreaction between hydrogen peroxide
and hydroiodic acid. 275
9. To find ...

(xv)
2. To find out the order of reaction and velocity constant for the inversion of cane
sugar by acids. 309
3. Find out ...

(xvi)
(a) A solution of pure oxalic acid (b) A solution of oxalic acid and HCI
(c) A solution of oxalic acid and CH3COOH 3...

(xvii)
24. POTENTIOMETRY 360-400
1. To determine the electrode potentials of copper and sinc electrodes in 0·1 M and
001 M...

(xviii)
24. To find out the strength of KI and KBr (or KCI and KBr) solutions (approximate
strength N/10) in a given mixtu...

(xix)
20. To study the kinetics of decomposition of the complex formed betwep'1 sodium
sulphate and sodium nitroprusside s...

(xx)
6. To study the separation of organic acidis by one dimensional paper
chromatography. 465
7. To study the separation ...

[I] CONCENTRATION OF SOLUTION
IMPORTAIIT FA[TS 111
EXPERIMEIITAL [HEMISTRY
A homogeneous mixture of two or more substances...

2 ADVANCED PHYSICAL CHEMISTRY EXPERIMENTS
(3) In terms of molality: Molality (m) of a solution is defined as the number
of...

IMPORTANT FACTS IN EXPERIMENTAL CHEMISTRY 3
(5 + 2' + 2" + l)g and so on upto 10 mg. The 10 mg weight can be compared by
p...

4 ADVANCED PHYSICAL CHEMISTRY EXPERIMENTS
a few hours. Pour off the mixture and wash the apparatus thoroughly with tap
wat...

IMPORTANT FACTS IN EXPERIMENTAL CHEMISTRY 5
(2) Calibration of pipettes: Calibration of a pipette can be done by weighing
...

6 ADVANCED PHYSICAL CHEMISTRY E;~PERIMENTS
(1) Standard solution of caustic soda (200 cm3
0.1 N) : We know that
sodium hyd...

IMPORTANT FACTS IN EXPERIMENTAL CHEMISTRY 7
the exact concentration of the stock solution. Suppose the correct concentrati...

8 ADVANCED PHYSICAL CHEMISTRY EXPERIMENTS
standard solution on the dilution side can be obtained by proper dilution of the...

IMPORTANT FACTS IN EXPERIMENTAL CHEMISTRY 9
(1) Bath : It consists of a large rectangular tank of suitable size. The most
...

10 ADVANCED PHYSICAL CHEMISTRY EXPERIMENTS
In a mercury-in-glass thermo
-regulator, the bulb is filled
completely with mer...

ERROR ANALYSIS AND
STATISTICAL DATA ANALYSIS
The function of the analyst is to obtain a result as near to the true value a...

12 ADVANCED PHYSICAL CHEMISTRY EXPERIMENTS
appreciable solubility of precipitates, co-precipitation, and post-precipitatio...

ERROR ANALYSIS AND STATISTICAL DATA ANALYSIS 13
conditions as are used in the actual analysis of the sample. The object is...

14 ADVANCED PHYSICAL CHEMISTRY EXPERIMENTS
constituent. If the recovery is satisfactory our confidence in the accuracy of ...

ERROR ANALYSIS AND STATISTICAL DATA ANALYSIS 15
respect to the elements which may be present and their relative amounts. I...

16 ADVANCED PHYSICAL CHEMISTRY EXPERIMENTS
The arithmetic mean is 49.42% and the results range from 49.40% to 49.44%.
We c...

ERROR ANALYSIS AND STATISTICAL DATA ANALYSIS 17
calculated from the data, the null hypothesis is substantiated; i.e., xl a...

18 ADVANCED PHYSICAL CHEMISTRY EXPERIMENTS
(a) Are Sl and S2 significantly different? Apply the variance-ratio or F-test.
...

ERROR ANALYSIS AND STATISTICAL DATA ANALYSIS 19
mean, aDd second, statistical considerations give a clear answer regarding...

20 ADVANCED PHYSICAL CHEMISTRY EXPERIMENTS
small samples only crude guesses of the real population distribution are possib...

ERROR ANALYSIS AND STATISTICAL DATA ANALYSIS
Q =0.1019 - 0.1016
0.1019 - 0.1012
Q =0.0003
0.0007
Q = 0.43
Since Q < 0.76 (...

22 ADVANCED PHYSICAL CHEMISTRY EXPERIMENTS
few of the samples coming off the production line is necessary, and judgment is...

[J.N._Gurtu,_Amit_Gurtu.]_Advanced_physical_chemis(BookZZ.org).pdf

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[J.N._Gurtu,_Amit_Gurtu.]_Advanced_physical_chemis(BookZZ.org).pdf

Nov. 17, 2022

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Engineering

The function of the analyst is to obtain a result as near to the true value as
possible by correct application of the analytical procedure used . The level of confidence that the analyst may enjoy in his results will be very small unless he has knowledge of the accuracy and precision of the method used as well as is aware of the sources of error which may be introduced. Quantitative analysis is not simply a case of taking a sample, carrying out a single determination and then claiming that the value so obtained cannot be refuted. It also requires a sound knowledge of the chemistry involved, of the possibilities of interferences from other ions, elements and compounds as well as the knowledge of the statistical distribution of values.

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Engineering

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