Question

Which of the following does not give borax bead test?

• A. $C{r}^{3+}$
• B. $C{u}^{2+}$
• C. $M{n}^{2+}$
• D. $P{b}^{2+}$

Answer 1

The correct option is D $P{b}^{2+}$

Borax bead test is performed by coloured salt. $P{b}^{2+}$ is not coloured and will not give borax bead test.