Q1ChemistryUnit 20: Principles Related to Practical Chemistry
Which of the following statements is
NOT TRUE in respect of hydrophilic sols?
Chemistry · JEE
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 Previous Year Questions for JEE
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Syllabus context
Part of Principles Related to Practical Chemistry in JEE Main 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
Examples of Iyophilic colloids are:
This question has multiple correct options
Q3ChemistryUnit 20: Principles Related to Practical Chemistry
When a small quantity of la solution is added to the fresh
precipitate of a colloidal sol is obtained. The process through which this sol is formed is known as:
Q4ChemistryUnit 20: Principles Related to Practical Chemistry
Which sol can be prepared directly by mixing the dispersed phase with dispersion medium?
Q5ChemistryUnit 20: Principles Related to Practical Chemistry
Rain water harvesting is:
Q6ChemistryUnit 20: Principles Related to Practical Chemistry
On adding few drops of dilute or
to freshly precipitated ferric hydroxide, a red coloured colloidal solution is obtained. This phenomenon is known as:
Q7ChemistryUnit 20: Principles Related to Practical Chemistry
Freshly prepared precipitate sometimes gets converted to colloidal solution by:
Q8ChemistryUnit 20: Principles Related to Practical Chemistry
Which of the following is not the correct
difference between I yophobic and
Iyophilic sols?
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Popular questions in 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
- Which of the following statements is NOT TRUE in respect of hydrophilic sols?…
- Freshly prepared precipitate sometimes gets converted to colloidal solution by:…
- Examples of Iyophilic colloids are: This question has multiple correct options…
- Which sol can be prepared directly by mixing the dispersed phase with dispersion medium?…
- Which of the following statements is NOT TRUE in respect of hydrophilic sols?…
- Which of the following is/are Iyophobic colloids? This question has multiple correct options…
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Practice: 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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MCQs: 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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Important: 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
Important Questions
Mock Test: 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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Notes: 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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Mistakes: 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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Concepts: 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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Easy: 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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