MCQ
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
- A$\ce{Bi_2O_5}$
- ✓$\ce{BiF_5}$
- C$\ce{BiCl_5}$
- D$\ce{Bi_2S_5}$
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In which case the value of $\Delta H_{sol.} < 0$