Elements of group-15 form compounds in +5 oxidation state.

Question:

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

(i) Bi2O5

(ii) BiF5

(iii) BiCl5

(iv) Bi2S5

Solution:

Option (ii) BiF5 is the answer.

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