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

2006 · Shift 0 · Q40
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. /2006 · Shift 0 · Q40

D and F Block Elements question

2006 · Shift 0 · Q40

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
Lanthanoid contraction is caused due to :
  1. A
    the appreciable shielding on outer electrons by 4f electrons from the nuclear charge
  2. B
    the appreciable shielding on outer electrons by 5d electrons from the nuclear charge
  3. C
    the same effective nuclear charge from Ce to Lu
  4. D
    the imperfect shielding on outer electrons by 4f electrons from the nuclear charge
PreviousNext

More from D and F Block Elements

  • The oxidation state of chromium in the final product formed the reaction between KI and acidified potassium dichromate solution is :2005 · MCQ
  • On heating mixture of Cu2​O and Cu2​S will give :2005 · MCQ
  • Calomel (Hg2​Cl2​) on reaction with ammonium hydroxide gives :2005 · MCQ
  • The lanthanide contraction is responsible for the fact that :2005 · MCQ
  • Which of the following factors may be regarded as the main cause of lanthanide contraction?2005 · MCQ
  • Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them?2004 · MCQ
  • Excess of KI reacts with CuSO4​ solution and then Na2​S2​O3​ solution is added to it. Which of the statements is incorrect for this reaction?2004 · MCQ
  • Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statements about cerium is incorrect?2004 · MCQ