WBJEE · Chemistry · Chemical Bonding and Molecular Structure
For \(\mathrm{BCl}_{3}, \mathrm{AlCl}_{3}\) and \(\mathrm{GaCl}_{3}\) the increasing order of ionic character is
- A \(\mathrm{BCl}_{3} < \mathrm{AlCl}_{3} < \mathrm{GaCl}_{3}\)
- B \(\mathrm{GaCl}_{3} < \mathrm{AlCl}_{3} < \mathrm{BCl}_{3}\)
- C \(\mathrm{BCl}_{3} < \mathrm{GaCl}_{3} < \mathrm{AlCl}_{3}\)
- D \(\mathrm{ACCl}_{3} < \mathrm{BCl}_{3} < \mathrm{GaCl}_{3}\)
Answer & Solution
Correct Answer
(C) \(\mathrm{BCl}_{3} < \mathrm{GaCl}_{3} < \mathrm{AlCl}_{3}\)
Step-by-step Solution
Detailed explanation
Since, ionic character is inversely proportional to polarising power of cation therefore correct order is \[ \mathrm{AICl}_{3}>\mathrm{GaCl}_{3}>\mathrm{BCl}_{3} \]
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