MCQ
Which of the following is a covalent compound?
  • A
    $Al_2O_3$
  • B
    $AlF_3$
  • $AlCl_3$
  • D
    $Al_2 (SO_4)_3$

Answer

Correct option: C.
$AlCl_3$
c
$\mathrm{AlCl}_{3}$ is partly ionic and partly covalent. It is covalent in solid state but ionic when in solution.

$\mathrm{AlCl}_{3}$ is covalent due to the low difference in electronegativity.

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