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प्रश्न
Elements of group-15 form compounds in +5 oxidation state. However, bismuth forms only one well-characterised compound in +5 oxidation state. The compound is ______.
विकल्प
\[\ce{Bi2O5}\]
\[\ce{BiF5}\]
\[\ce{BiCl5}\]
\[\ce{Bi2S5}\]
उत्तर
Elements of group-15 form compounds in +5 oxidation state. However, bismuth forms only one well-characterised compound in +5 oxidation state. The compound is \[\ce{BiF5}\].
Explanation:
Bismuth commonly shows +3 oxidation state instead of +5 oxidation state due to inert pair effect. But \[\ce{Bi}\] forms \[\ce{BiF5}\] compound due to high electronegativity and small size of fluorine atom.
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