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AP EAMCET2002ChemistryHaloalkanes and Haloarenes

What is the minimum quantity (in grams) of methyl iodide required for preparing one mole of ethane by Wurtz reaction? (Atomic weight of iodine =127 )

Options

  1. A142
  2. B568
  3. C326
  4. D284

Correct answer

D. 284

Step-by-step solution

Wurtz reaction for the preparation of ethane is 1 CH ₃ I +2 Na + ICH ICH ₃ dry ether 1 ~mole C ₂ H ₆ +2 NaI 1 ~mole 1 ~mole 1 ~mole Number of moles of CH ₃ I required for the manufacture of 1 mole ₂ H ₆=2 moles Weight of 2 moles of CH ₃ I aligned & =2 (12+3+127) & =2 (142) & =284 ~g aligned

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