Q1ChemistryUnit 11: d and f-Block Elements
In the purification of zirconium by Van Arkel process which halogen is used?
Chemistry · JEE
Hard Preparation, properties and uses of K2Cr2O7 and KMnO4 MCQs for JEE
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Hard Preparation, properties and uses of K2Cr2O7 and KMnO4 MCQs train multi-concept problem solving — attempt after mastering easy and medium sets (10+ on Goodmarks).
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Syllabus context
Part of d and f-Block Elements in JEE Main Chemistry.
- Transition Elements: General introduction, electronic configuration, occurrence and characteristics
- General trends in properties of the first-row transition elements: physical properties, ionization enthalpy, oxidation states, atomic radii, colour, catalytic behaviour, magnetic properties, complex formation, interstitial compounds, alloy formation
- Preparation, properties and uses of K2Cr2O7 and KMnO4
- Inner Transition Elements
- Lanthanoids: Electronic configuration, oxidation states and Lanthanoid contraction
- Actinoids: Electronic configuration and oxidation states
Free sample questions
Attempt 8 free MCQs for Preparation, properties and uses of K2Cr2O7 and KMnO4. Unlock 2+ more with Pro.
Q2ChemistryUnit 11: d and f-Block Elements
Which of the following reagents is used
to test the presence of gas?
Q3ChemistryUnit 11: d and f-Block Elements
solution turns from yellow to another color upon addition of acid.
What is the another color?
Q4ChemistryUnit 11: d and f-Block Elements
In the dichromate anion
Q5ChemistryUnit 11: d and f-Block Elements
Which represents correct comparison of
the stability of ions?
Q6ChemistryUnit 11: d and f-Block Elements
What changes occur when acidified ion reacts with solution
in presence of ether solvent?
Q7ChemistryUnit 11: d and f-Block Elements
Assertion
turns acidified green
Reason
is reduced to
salt by
Q8ChemistryUnit 11: d and f-Block Elements
To an acidified dichromate solution, a
pinch of and ether is added and
shaken.What is observed?
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Popular questions in Preparation, properties and uses of K2Cr2O7 and KMnO4
- \( A C r O_{4}^{2-} \) solution turns from yellow to another color upon addition of acid. What is the another color?…
- \( K M n O_{4} \) is acidified for redox titrations by:…
- \( K M n O_{4} \) is acidified for redox titrations by:…
- In the purification of zirconium by Van Arkel process which halogen is used?…
- To an acidified dichromate solution, a pinch of \( N a_{2} O_{2} \) and ether is added and shaken.What is observed?…
- Which of the following reagents is used to test the presence of \( S O_{2} \) gas?…
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