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Many ionic crystals dissolve in water because:
(1) Water is an amphiprotic solvent
(2)Water is a high boiling liquid
(3) The process is accompanied by a positive heat of solution
(4) Water decreases the interionic attraction in the crystal lattice due to solvation
Ans: Water decreases the interionic attraction in the crystal lattice due to solvation
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Fe3+ + e ------> Fe2+
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