MCQ
Which of the following are true solutions?
- AENO salt in water
- BTomato soup
- CAam panna
- DFiltered black tea
Explanation:
The definition of true solution is a homogeneous mixture of two or more substances in which substance dissolved (solute) in solvent has the size of the particle less than 10−9m or 1nm. So the perfect example of true solution is ENO salt in water. ENO is perfectly soluble in water and has minimum size.
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$(A)\,\, KO_2$
$(B)\,\,$ cis $-[Co(en)_2Cl_2]^+$
$(C)\,\, K_3[Co(Ox)_3]$
$(D)\,\,[CoCl_3]^{2-}$
| $LIST-I$ $(Substances)$ | $LIST-II$ $(Element Present)$ |
| $A$. Ziegler catalyst | $I$. Rhodium |
| $B$. Blood pigment | $II$. Cobalt |
| $C$ .Wilkinson catalyst | $III$. Iron |
| $D$. Vitamin $\mathrm{B}_{12}$ | $IV$. Titanium |
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