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AP EAMCET20224 Jul 2022Morning ShiftChemistryHydrogenActual

What are X and Y respectively in the following reactions X ¯ + D 2 O → C 2 D 2 + P Y ¯ + D 2 O → CD 4 + Q

Options

  1. AAlCl 3 , CaCl 2
  2. BBe 2 C , Al 4 C 3
  3. CAl 4 C 3 , CaC 2
  4. DCaC 2 , Al 4 C 3

Correct answer

D. CaC 2 , Al 4 C 3

Step-by-step solution

C 2 D 2 is deuteroacetylene and CD 4 is deuteromethane. These compounds can be preapred by deuterolysis of respective acetylide and methanide. CaC 2 is an acetylide and Be 2 C   &   Al 4 C 3 are methanides. These compounds on reaction with D 2 O , give deuteroacetylene and deuteromethane respectively. CaC 2   +   2 D 2 O → C 2 D 2   +   Ca OD 2 Al 4 C 3     +   12 D 2 O → 3 CD 4   +   4   Al OD 3

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