Question:
Among the following pentachlorides, which one does not exist due to the inert pair effect?
Among the following pentachlorides, which one does not exist due to the inert pair effect?
Show Hint
Think about which group 15 element shows the strongest inert pair effect.
Updated On: Jul 3, 2026
- PCl5
- BiCl5
- SbCl5
- AsCl5
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The Correct Option is B
Solution and Explanation
Step 1: Inert pair effect strongest for heaviest group 15 element, Bi.
Step 2: Bi prefers +3 over +5, so BiCl5 too unstable.
Step 3: PCl5, AsCl5, SbCl5 are all stable known compounds.
\[\boxed{\text{BiCl}_5 \text{ does not exist}}\]Was this answer helpful?
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