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ChemistryNEET 2025Transition elements: trends and properties

The d- and f-Block Elements

Match List I with List II.

List I List II
A. Haber process I. Fe catalyst
B. Wacker oxidation II. PdCl2\mathrm{PdCl_2}
C. Wilkinson catalyst III. [(PPh3)3RhCl]\mathrm{[(PPh_3)_3RhCl]}
D. Ziegler catalyst IV. TiCl4\mathrm{TiCl_4} with Al(CH3)3\mathrm{Al(CH_3)_3}

Choose the correct answer from the options given below:

  1. A.A-I, B-II, C-IV, D-III
  2. B.A-II, B-III, C-I, D-IV
  3. C.A-I, B-II, C-III, D-IV✓
  4. D.A-I, B-IV, C-III, D-II

Solution

The Haber process uses iron (I); Wacker oxidation uses PdCl2\mathrm{PdCl_2} (II); Wilkinson's catalyst is [(PPh3)3RhCl]\mathrm{[(PPh_3)_3RhCl]} (III); Ziegler's catalyst is TiCl4\mathrm{TiCl_4} with triethyl/trimethylaluminium (IV).

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