Question

Bismuth chloride $(BiCl_3)$, on hydrolysis, yields a white precipitate of

• A. bismuth hydroxide
• B. bismuth oxyacid
• C. bismuth oxychloride
• D. none of these.

Answer 1

Answer: (C)

bismuth oxychloride

Answer 2

Except $NF _{3}$ and $BF _{3}$, all other trihalides of this group are hydrolysed by water. $BiCl _{3}+ H _{2} O \longrightarrow \underset{\text { oxychloride }}{ BiOCl }+2 HCl$