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 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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