Question

Which of the following statement(s) is/are correct for $CsB{r}_3$?

• A. It is a covalent compound.
• B. It contains $C{s}^{3+}$ and $B{r}^{-}$ ions.
• C. It contains $C{s}^{+}$ and $3B{r}^{-}$ ions.
• D. It contains $C{s}^{+}$, $B{r}^{-}$ and $2B{r}^{-}$ molecule.

Answer 1

The correct option is C It contains $C{s}^{+}$ and $3B{r}^{-}$ ions.

$CsB{r}_3$ is an ionic compound and $Cs$ forms monovalent ion so $CsB{r}_3$ provides (contains) $C{s}^{+}$ and $3B{r}^{-}$ ions.