MCQ
Conjugate base of $HBr$ is
- A${H_2}B{r^ + }$
- B${H^ + }$
- ✓$B{r^ - }$
- D$B{r^ +}$
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$(1)$ Ligands are connected to the central metal ions by covalent bonds.
$(2)$ Secondary valencies have directional properties
$(3)$ Secondary valencies are non-ionisable Of these statements
Product $(C)$ obtained is