MCQ
Which one is least basic
- A$B{I_3}$
- B$BB{r_3}$
- C$BC{l_3}$
- ✓$B{F_3}$
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$Q + Cl ^{-} \rightarrow X$
$Q + Me _3 N \rightarrow Y$
$Q + CuCl _2 \rightarrow Z + CuCl$
$X$ is a monoanion having pyramidal geometry. Both $Y$ and $Z$ are neutral compounds. Choose the correct option($s$).
$(1)$ The central atoms in $X$ is $sp ^3$ hybridized
$(2)$ The oxidation state of the central atom in $Z$ is $+2$
$(3)$ The central atom in $Z$ has one lone pair of electrons
$(4)$ There is a coordinate bond in $Y$
Compound $(D)$ is sodium hexametaphosphate which is known as