Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETChemistryd and f Block Elements

Which is the correct balanced reaction of acidified permanganate solution with SO 2 ?

Options

  1. AMnO 4 - + 4SO 2 + 2H 2 O→5SO 4 2- + 7Mn 2+ + H +
  2. B3MnO 4 - + 5SO 2 + 4H 2 O→SO 4 2- + 7Mn 2+ + 3H +
  3. C2MnO 4 - + 5SO 2 + 2H 2 O→4SO 4 2- + 3Mn 2+ + 3H +
  4. D2MnO 4 - + 5SO 2 + 2H 2 O→5SO 4 2- + 2Mn 2+ + 4H +

Correct answer

D. 2MnO 4 - + 5SO 2 + 2H 2 O→5SO 4 2- + 2Mn 2+ + 4H +

Step-by-step solution

Correct Option is : (D) 2MnO 4 - + 5SO 2 + 2H 2 O→5SO 4 2- + 2Mn 2+ + 4H +

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 oxidation state because : 2026The lanthanide ion having four unpaired electrons is (Given : Atomic numbers of Ce =58 , Nd =60 , Tb =65 and Ho =67 ) 2026The green paramagnetic species formed by heating KMn O₄ at 513 K is 2026The calculated 'spin-only' magnetic moment of Ti ²⁺ (3d^2) is : 2026Match List I with List II : List I (Transition metal/compound/complex) List II (Catalytic Role) A. V ₂ O ₅ I. Preparation of ammonia from N ₂/ H ₂ mixture B. Fe II. Polymerisation 2026Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R . Assertion A : Generally, 3d transition metals have high melting points. Reas 2026Given below are two statements : Statement I : Ferromagnetism is considered as an extreme form of paramagnetism. Statement II : The number of unpaired electrons in a Cr ²⁺ ion ( Z 2025Which of the following set of ions act as oxidising agents? 2024 Full d and f Block Elements list All NEET PYQs