Q.
Group-15 elements can form compounds in +5 oxidation state. However, Bi forms only one well characterized compound in +5 oxidation state. This compound is
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a
BiCl5
b
Bi2S5
c
BiF5
d
Bi2O5
answer is C.
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Detailed Solution
The only compound formed by Bi in +5 oxidation state is BiF5. It is due to smaller size and high electronegativity of B-atom.
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