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KVPY2020ChemistryAldehydes and Ketones

The following transformation can be carried out in three steps. The reagents required for these three steps in their correct order, are:

Options

  1. A (i)  NaBH 4 ;  (ii)  PCl 5  ; (iii) anh.  AlCl 3
  2. B (i)  SOCl 2  ; (ii) anh.  AlCl 3  ; (iii)  Zn Hg / HCl
  3. Ci   Zn ( Hg ) / HCl ;   ii   SOCl 2 ;   iii   anh .   AlCl 3
  4. Di   conc .   H 2 SO 4 ;   ii   H 2 N - NH 2 · H 2 O ;   iii   KOH , ethylen

Correct answer

C. i   Zn ( Hg ) / HCl ;   ii   SOCl 2 ;   iii   anh .   AlCl 3

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