MCQ
Which of the following solutions will have minimum osmotic pressure?
- A$0.1 M BaCl _2$
- ✓0.1 M Urea
- C0.1 M HCl
- D0.2 M glucose
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(atomic number : $\mathrm{Xe}=54, \mathrm{Ce}=58, \mathrm{Eu}=63$ )
The structure of $C$ would be
(At. Nos. $Mn = 25, Cr = 24, V = 23, Ti = 22$ )
$C{o^{3 + }}{e^ - } \longrightarrow C{o^{2 + }};\,{E^o} = 1.81\,V$
$P{b^4} + 2{e^ - } \longrightarrow P{b^{2 + }};\,{E^o} = + 1.67\,V$
$C{e^{4 + }} + {e^ - } \longrightarrow C{e^{3 + }};\,{E^o} = + 1.61\,V$
$B{i^{3 + }} + 3{e^ - } \longrightarrow Bi;\,{E^o} = + 0.20\,V$
Oxidizing power of the species will increase in the order