MCQ
Copper wire test for halogens is known as
- ADuma's Test
- ✓Beilstein's Test
- CLiebig's Test
- DLassigne's Test
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$\xrightarrow{{NaN{H_2}}}\,A$
(Given: Molar mass of $Ag$ is $108\, g \,mol ^{-1}$ and that of $Cl$ is $35.5 \,g\, mol ^{-1}$ )
$C{o^{3 + }}{e^ - } \longrightarrow C{o^{2 + }};\,{E^o} = 1.81\,V$
$P{b^4} + 2{e^ - } \longrightarrow P{b^{2 + }};\,{E^o} = + 1.67\,V$
$C{e^{4 + }} + {e^ - } \longrightarrow C{e^{3 + }};\,{E^o} = + 1.61\,V$
$B{i^{3 + }} + 3{e^ - } \longrightarrow Bi;\,{E^o} = + 0.20\,V$
Oxidizing power of the species will increase in the order