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Sahitya Bhawan CBSE class 12 chemistry Lab Manual with theory and Viva-voce questions as per syllabus

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Edition 2021
Class 12
Subject Chemistry
Board CBSE
Author Tripti Rawat
Binding Hard bound
Pages 320
Language English
Country India
Series Title Sahitya Bhawan
Isbn 9789353392499

Product Features                                              

Sahitya Bhawan lab manual class 11 Chemistry practical book has been prepared in accordance with the CBSE guidelines. These lab manuals provide better understanding of various concepts in a lucid manner. The entire matter is prepared in a way that it provides complete understanding of each topic. Viva-voce helps the students in having a better understanding of concepts.

Content                                                                                       

Chemistry Laboratory : An Introduction 
Viva-voce Questions with answers
1. Surface Chemistry
Experiment 1.1 To prepare colloidal solution (sol) of starch.
Experiment 1.2 To prepare colloidal solution (sol) of gum.
Experiment 1.3 To prepare colloidal solution (sol) of egg albumin.
Experiment 1.4 To prepare colloidal solution (sol) of ferric hydroxide Fe(OH)3.
Experiment 1.5 To prepare aluminium hydroxide [Al(OH)3] sol.
Experiment 1.6 To prepare colloidal solution of arsenious sulphide.
Experiment 1.7 To study the dialysis of starch sol containing sodium chloride through a cellophane or parchment paper.
Experiment 1.8 To study the effectiveness of different common oils (castor oil, cotton seed oil, coconut oil, kerosene oil, mustard oil) in forming emulsions.
Experiment 1.9 To compare the effectiveness of a number of emulsifying agents in forming emulsions.
VIVA-VOCE QUESTIONS WITH ANSWERS
2. Chemical Kinetics
Experiment 2.1 To study the effect of concentration on the rate of the reaction between sodium thio-sulphate and hydrochloric acid.
Experiment 2.2 To study the effect of temperature on the rate of reaction between sodium thiosul-phate solution and HCl.
Experiment 2.3 To study the rate of reaction of iodide ions with hydrogen peroxide at room tem-perature using different concentrations of iodide ions.
Experiment 2.4 To study the rate of reaction between potassium iodate (KIO3) and sodium sulphite (Na2 SO3) in acidic medium at room temperature using different concentrations of KIO3 and starch as indicator.
VIVA-VOCE QUESTIONS WITH ANSWERS
3. Thermochemistry
Experiment 3.1 To determine the calorimeter constant (W) of calorimeter (polythene bottle).
Experiment 3.2 To determine the enthalpy of dissolution of copper sulphate or potassium nitrate.
Experiment 3.3 To determine the enthalpy of neutralisation of hydrochloric acid with sodium hyd-
roxide solution.
Experiment 3.4 To determine the enthalpy change during the interaction (hydrogen bond formation) between acetone and chloroform.
l VIVA-VOCE QUESTIONS WITH ANSWERS
4. Electrochemistry
Experiment To study the variation of cell potential in Zn|Zn2+||Cu2+|Cu with change in concen-tration of electrolytes (CuSO4 or ZnSO4) at room temperature.
VIVA-VOCE QUESTIONS WITH ANSWERS
5. Chromatography
Experiment 5.1 To separate the coloured components present in the given extract of leaves and flower by ascending paper chromatography and determine their Rf values.
Experiment 5.2 To separate constituents present in an inorganic mixture containing Pb2+ and Cd2+ions by using ascending paper chromatography and determine their Rf values.
VIVA-VOCE QUESTIONS WITH ANSWERS
6. Preparation of Inorganic Compounds
Experiment.1 To prepare crystals of ferrous ammonium sulphate (Mohr’s salt) [FeSO4.(NH4)2SO4.6H2O]
Experiment 6.2 To prepare crystals of potash alum [K2SO4.Al(SO4)3.24H2O].
Experiment 6.3 To prepare crystals of potassium trioxalatoferrate (III), K3[Fe(C2O4)3.3H2O].
VIVA-VOCE QUESTIONS WITH ANSWERS
7. Preparation of Organic Compounds
Experiment 7.1 Preparation of acetanilide from aniline.
Experiment 7.2 Preparation of dibenzal acetone.
Experiment 7.3 Preparation of p-nitro acetanilide from acetanilide.
Experiment 7.4 Preparation of 2-naphthol aniline dye.
VIVA-VOCE QUESTIONS WITH ANSWERS
8. Test for the Functional Groups Present in Organic Compounds
Experiment 8.1 (A) To test the presence of unsaturation.
Experiment 8.2 (B) To test the presence of alcoholic group.
Experiment 8.3 To test the presence of phenolic groups.
Experiment 8.4 To test the presence of aldehydic and ketonic groups.
Experiment 8.5 To test the presence of carboxylic group.
Experiment 8.6 To test the presence of amino groups.
VIVA-VOCE QUESTIONS WITH ANSWERS
9. Study of tests of carbohydrates, fats and protens
Experiment 9.1 To test the presence of carbohydrates in food samples.
Experiment 9.2 To test the presence of fats and oils in food samples.
Experiment 9.3 To test the presence of proteins in food samples.
VIVA-VOCE QUESTIONS WITH ANSWERS
10. Volumetric analysis
Experiment 10.1 To prepare 250 ml of Solution of oxalic acid from crystalline oxalic acid.
Experiment 10.2 To prepare Ferrous Ammonium Sulphate (Mohr’s salt) solution. Using this solu
tion find out the morality and strength of the given KMnO4 solution.
Experiment 10.3 To prepare Solution of oxalic Acid. With its help, determine the molarity and stre-
ngth of the given solution of potassium permanganate.
VIVA-VOCE QUESTIONS WITH ANSWERS
11. Qualitative Analysis
VIVA-VOCE QUESTIONS WITH ANSWERS
12. INVESTIGATORY Projects
PROJECT 1 To determine the amount of oxalate ions in a guava fruit at different stages of ripening
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 2 To determine the quality of casein present in different samples of milk.
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 3 Preparation of soyabean milk and its comparison with the natural milk with respect to
curd formation, effect of temperature, etc.
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 4 To study the effect of potassium meta bisulphite as food preservative under various conditions
temperature, concentration and time.
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 5 Study of digestion of starch by salivary amylase and effect of pH and temperature on it
EXPERIMENT 1 Effect of different pH on the activity of salivary amylase on starch.
EXPERIMENT 2 Effect of different Temperatures on the activity of salivary amylase on starch.
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 6 Comparative study of the rate of fermentation of following materials : wheat flour, gram flour, patato juice, carrot juice etc.
Experiment 1 To compare the rates of fermentation of the given samples of wheat flour, gram flour and potato juice.
Experiment 2 To compare the rates of fermentation of the given samples of apple juice, carrot juice and orange juice.
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 7 Extraction of essential oils present in Saunf (aniseed), Ajwain (Carum), Ilaichi (Cardamom)
VIVA-VOCE QUESTIONS WITH ANSWERS
PROJECT 8 Study of common food adultrants in fat oil, butter, sugar, turmeric powder, chlli powder and pepper
Experiment 1 To detect the presence of adulterants in fat, oil and butter.
Experiment  2 To detect the presence of adulterants in sugar
Experiment 3 To detect the presence of adulterants in samples of chilli powder.
Experiment 4 To detect the presence of adulterants in samples of turmeric powder.
Experiment 5 To detect the presence of adulterants in samples of pepper.
VIVA-VOCE QUESTIONS WITH ANSWERS

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