Q1ChemistryUnit 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 :
Chemistry · JEE
Chemical principles involved in the qualitative salt analysis Anions: CO3(2-), S2-, SO4(2-), NO3-, NO2-, Cl-, Br-, I- (Insoluble salts excluded) Mock Test 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
Sodium nitroprusside when added to an alkaline solution of sulphide ions produces a colouration which is:
Q3ChemistryUnit 20: Principles Related to Practical Chemistry
Among the following industrial waste can be managed by :
Q4ChemistryUnit 20: Principles Related to Practical Chemistry
When water is added to an aqueous solution of potassium halide in the presence of chloroform, a violet color is
obtained. On adding more of water, the violet color disappears and a colorless solution is obtained. This test
confirms the presence of the following in aqueous solution:
Q5ChemistryUnit 20: Principles Related to Practical Chemistry
Which of the following is not a major option for managing hazardous waste?
Q6ChemistryUnit 20: Principles Related to Practical Chemistry
The ion or group detected by
is:
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Popular questions in Chemical principles involved in the qualitative salt analysis Anions: CO3(2-), S2-, SO4(2-), NO3-, NO2-, Cl-, Br-, I- (Insoluble salts excluded)
- A white solid imparts a violet colour to a Bunsen flame. On being heated with concentrated \( \boldsymbol{H}_{2} \boldsy…
- A white solid imparts a violet colour to a Bunsen flame. On being heated with concentrated \( \boldsymbol{H}_{2} \boldsy…
- The ion or group detected by \( \boldsymbol{K}_{2}\left[\boldsymbol{H} \boldsymbol{g} \boldsymbol{I}_{4}\right] \) is:…
- When \( C l_{2} \) water is added to an aqueous solution of potassium halide in the presence of chloroform, a violet col…
- Which of the following is not a major option for managing hazardous waste?…
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