Goodmarks

Chemistry · JEE

Preparation, properties and uses of K2Cr2O7 and KMnO4 Short Tricks for JEE

10+ syllabus-aligned questions available

Quick answer

Short tricks for Preparation, properties and uses of K2Cr2O7 and KMnO4 work only with strong fundamentals. Apply the tips below in timed sets and review every explanation.

Use these Preparation, properties and uses of K2Cr2O7 and KMnO4 shortcuts to save time in JEE Chemistry papers — then validate speed with 10+ MCQs on Goodmarks.

Short tricks for speed

  • Preparation, properties and uses of K2Cr2O7 and KMnO4 focus drill

    Solve 15 mixed MCQs for Preparation, properties and uses of K2Cr2O7 and KMnO4, review every explanation, and note formulas you hesitated on.

  • NCERT line recall

    For Inorganic, exact NCERT phrasing often matches the correct option — highlight one-liners during revision.

  • Balance then compare

    In Physical Chemistry numericals, write the balanced relation first, then substitute values with units.

Syllabus context

Part of d and f-Block Elements in JEE Main Chemistry.

Free sample questions

Attempt 8 free MCQs for Preparation, properties and uses of K2Cr2O7 and KMnO4. Unlock 2+ more with Pro.

Unlock full bank
Q1ChemistryUnit 11: d and f-Block Elements
In the purification of zirconium by Van Arkel process which halogen is used?
Q2ChemistryUnit 11: d and f-Block Elements
Which of the following reagents is used to test the presence of SO2S O_{2} gas?
Q3ChemistryUnit 11: d and f-Block Elements
ACrO42−A C r O_{4}^{2-} 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 Cr2O7C r_{2} O_{7}
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 Cr2O72−C r_{2} O_{7}^{2-} ion reacts with H2O2H_{2} O_{2} solution in presence of ether solvent?
Q7ChemistryUnit 11: d and f-Block Elements
Assertion SO2\boldsymbol{S O}_{2} turns acidified K2Cr2O7\boldsymbol{K}_{2} \boldsymbol{C r}_{2} \boldsymbol{O}_{7} green Reason K2Cr2O7K_{2} C r_{2} O_{7} is reduced to Cr3+( green )C r^{3+}(\text { green }) salt by SO2S O_{2}
Q8ChemistryUnit 11: d and f-Block Elements
To an acidified dichromate solution, a pinch of Na2O2N a_{2} O_{2} and ether is added and shaken.What is observed?

Want unlimited Preparation, properties and uses of K2Cr2O7 and KMnO4 practice?

Pro unlocks the full question bank, topic filters, and attempt history.

Get started freeView Pro plans

Popular questions in Preparation, properties and uses of K2Cr2O7 and KMnO4

Frequently asked questions

Are short tricks enough for Preparation, properties and uses of K2Cr2O7 and KMnO4 in JEE?

No — tricks complement concepts. Master the theory first, then use shortcuts in timed MCQ practice.

Related topics