MCQ
The pair of compounds that can exist together is
- A$FeCl_3, SnCl_2$
- B$HgCl_2, SnCl_2$
- ✓$FeCl_2, SnCl_2$
- D$FeCl_3, KI$
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| Item $I$ | Item $II$ |
| $(a)$ Benzaldehyde | $(p)$ Mobile phase |
| $(b)$ Alumina | $(q)$ Adsorbent |
| $(c)$ Acetonitrile | $(r)$ Adsorbate |
$(A)$ It behaves as a weak acid in water due to self ionization.
$(B)$ Acidity of its aqueous solution increases upon addition of ethylene glycol.
$(C)$ It has a three dimensional structure due to hydrogen bonding.
$(D)$ It is weak electrolyte in water.