Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

D and F Block Elements question

2002 · Shift 0 · Q45
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /D and F Block Elements
  5. /2002 · Shift 0 · Q45

D and F Block Elements question

2002 · Shift 0 · Q45

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
When KMnO4KMnO_4KMnO4​ acts as an oxidising agent and ultimately forms [MnO4]2−[MnO_4]^{2-}[MnO4​]2−, MnO2MnO_2MnO2​, Mn2O3Mn_2O_3Mn2​O3​, Mn2+Mn^{2+}Mn2+ then the number of electrons transferred in each case respectively is :
  1. A
    4, 3, 1, 5
  2. B
    1, 5, 3, 7
  3. C
    1, 3, 4, 5
  4. D
    3, 5, 7, 1
PreviousNext

More from D and F Block Elements

  • Which of the following ions has the maximum magnetic moment?2002 · MCQ
  • Most common oxidation states of Ce (cerium) are :2002 · MCQ
  • The metal ions that have the calculated spin-only magnetic moment value of 4.9 B.M. are : A. Cr2+ B. Fe2+ C. Fe3+ D. Co2+ E. Mn3+ Choose the correct answer from the…2025 · MCQ
  • Consider the following reactions ​A+ Little  amount ​NaCl​+H2​SO4​→CrO2​Cl2​+ Side Products CrO2​Cl2 (Vapour) ​+NaOH→ B+NaCl+H2​O B+H+→C+H2​O​…2025 · Numerical
  • Given below are two statements: Statement I : CrO3​ is a stronger oxidizing agent than MoO3​ Statement II : Cr(VI) is more stable than Mo(VI) In the light of the above…2025 · MCQ
  • Among, Sc,Mn,Co and Cu , identify the element with highest enthalpy of atomisation. The spin only magnetic moment value of that element in its +2 oxidation state is ​ BM (in nearest…2025 · Numerical
  • Pair of transition metal ions having the same number of unpaired electrons is2025 · MCQ
  • The first transition series metal ' M' has the highest enthalpy of atomisation in its series. One of its aquated ion (Mn+) exists in green colour. The nature of the oxide formed by the above Mn+…2025 · MCQ