Q1ChemistryUnit 20: Principles Related to Practical Chemistry
In the given figure, the red-brown gas
evolved is
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Subtopics in Principles Related to Practical Chemistry
- Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds
- Detection of functional groups: hydroxyl (alcoholic and phenolic), carbonyl (aldehyde and ketones), carboxyl and amino groups in organic compounds
- The chemistry involved in the preparation of Inorganic compounds: Mohr's salt, potash alum
- The chemistry involved in the preparation of Organic compounds: Acetanilide, p-nitro acetanilide, aniline yellow, iodoform
- The chemistry involved in the titrimetric exercises: acids, bases and the use of indicators, oxalic-acid vs KMnO4, Mohr's salt vs KMnO4
- Chemical principles involved in the qualitative salt analysis Cations: Pb2+, Cu2+, Al3+, Fe3+, Zn2+, Ni2+, Ca2+, Ba2+, Mg2+, NH4+
- Chemical principles involved in the qualitative salt analysis Anions: CO3(2-), S2-, SO4(2-), NO3-, NO2-, Cl-, Br-, I- (Insoluble salts excluded)
- Chemical principles involved in experiments: Enthalpy of solution of CuSO4, Enthalpy of neutralization of strong acid and strong base, Preparation of lyophilic and lyophobic sols, Kinetic study of the reaction of iodide ions with hydrogen peroxide at room temperature
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Q2ChemistryUnit 20: Principles Related to Practical Chemistry
Which of the following statements is
NOT TRUE in respect of hydrophilic sols?
Q3ChemistryUnit 20: Principles Related to Practical Chemistry
Carbon dioxide formed after reaction
with cupric oxide is tested by :
Q4ChemistryUnit 20: Principles Related to Practical Chemistry
A white solid imparts a violet colour to a Bunsen flame. On being heated with
concentrated the solid gives
violet vapours that turns starch paper blue. The salt may be :
Q5ChemistryUnit 20: Principles Related to Practical Chemistry
Sodium nitroprusside when added to an alkaline solution of sulphide ions produces a colouration which is:
Q6ChemistryUnit 20: Principles Related to Practical Chemistry
Examples of Iyophilic colloids are:
This question has multiple correct options
Q7ChemistryUnit 20: Principles Related to Practical Chemistry
In iodine charge transfer test the color of ether compound formed is:
Q8ChemistryUnit 20: Principles Related to Practical Chemistry
Among the following industrial waste can be managed by :
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