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NEET2006Chemistryp Block Elements (Group 13 & 14)Actual

Al ₂ O ₃ can be converted to anhydrous AlCl ₃ by heating:

Options

  1. AAl ₂ O ₃ with Cl ₂ gas
  2. BAl ₂ O ₃ with HCl gas
  3. CAl ₂ O ₃ with NaCl in solid state
  4. DA mixture of Al ₂ O ₃ and carbon in dry Cl ₂ gas

Correct answer

D. A mixture of Al ₂ O ₃ and carbon in dry Cl ₂ gas

Step-by-step solution

Al ₂ O ₃ may be converted to anhydrous AlCl ₃ by heating a mixture of Al ₂ O ₃ and carbon in dry chlorine. Al ₂ O ₃+3 C +3 Cl ₂ (anhydrous AlCl ₃) Al ₂ Cl ₆

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