Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JIPMER 2005
Exam
JIPMER
Year
2005
Subject
Chemistry
Chapter
d and f Block Elements

JIPMER 2005 · Chemistry · d and f Block Elements

H_2 C_2 O_4+KMnO_4 in acidic medium reacts to have change in...

H2C2O4+KMnO4\mathrm{H}_2 \mathrm{C}_2 \mathrm{O}_4+\mathrm{KMnO}_4 in acidic medium reacts to have change in oxidation number of Mn from

Options

  1. A7 to 5
  2. B2 to 7
  3. C5 to 7
  4. D7 to 2

Correct answer

D. 7 to 2

Step-by-step solution

In this reaction change in oxidation number is from +7 to +2 . KMnO4+7⟶Mn2++2\underset{+7}{\mathrm{KMnO}_4} \longrightarrow \underset{+2}{\mathrm{Mn}^{2+}}
Practice d and f Block Elements on Quantrex Academy →

More from d and f Block Elements

Although +3 oxidation state is most common in lanthanoids, cerium still shows +4… NEET 2026The lanthanide ion having four unpaired electrons is (Given : Atomic numbers of Ce =58… NEET 2026The green paramagnetic species formed by heating KMnO _4 at 513 K is NEET 2026The calculated 'spin-only' magnetic moment of Ti^ 2+ \ (3d^2) is : NEET 2026Match List I with List II : List I (Transition metal/compound/complex) List II (Catalytic… NEET 2026Given below are two statements : One is labelled as Assertion A and the other is labelled… NEET 2026Given below are two statements : Statement I : Ferromagnetism is considered as an extreme… NEET 2025Which of the following set of ions act as oxidising agents? NEET 2024 Full d and f Block Elements list All JIPMER PYQs