Question
The compound formed in the borax bead test of $\mathrm{Cu}^{2+}$ ion in oxidising flame is(1) $\mathrm{Cu}$(2) $\mathrm{CuBO}_{2}$(3) $\mathrm{Cu}\left(\mathrm{BO}_{2}\right)_{2}$(4) none of these
Step 1
Step 1: The borax bead test is a qualitative test used in inorganic chemistry to determine the presence of certain metal ions based on the color the flame turns when the compound is heated on a loop of platinum wire with borax. Show more…
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The compound formed in the borax bead test of $\mathrm{Cu}^{2+}$ ion in oxidizing flame is (a) $\mathrm{CuBO}_{2}$ (b) $\mathrm{Cu}\left(\mathrm{BO}_{2}\right)_{2}$ (c) $\mathrm{Cu}$ (d)none of these
Which of the following does not give borax bead test? (a) $\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}$ (b) $\left(\mathrm{CH}_{3} \mathrm{COO}\right)_{2} \mathrm{Co}$ (c) $\mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}$ (d) $\mathrm{NiSO}_{4}$
Borax bead test is given by (1) $\mathrm{Co}^{2+}$ (2) $\mathrm{Zn}^{2+}$ (3) $\mathrm{Cu}^{2+}$ (4) $\mathrm{Ni}^{2+}$
Qualitative Inorganic Salt Analysis
Multiple Correct Answers Type
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