Question

the substance whose true solution does not contain ions is:
1 common salt
2 fructose
3 potash alum
4 caustic potash​

Answer 1

the substance whose true solution does not contain iron is = 2. fructose

Answer 2

The true solution of FRUCTOSE does not contain ions.

• An aqueous solution of Fructose does not contain ions because Fructose is a non-electrolyte.
• Fructose is an organic compound with strong covalent bonds between its atoms.
• It does not dissociate in an aqueous solution to give anion and cations
• On the other hand common salt (NaCl) sodium ion and chloride ion have ionic bonding between them. When dissolved in water dissociates into anion cl- and cation Na+.
• Similarly, Caustic soda is an inorganic compound with a formula NaOH that has ionic bonds between sodium cation Na+ and hydroxide anion OH-.
• When mixed with water, the ionic bonds between atoms of caustic soda dissociate into free ions Na+ and OH-
• Potash alum is a salt of potassium and aluminum with sulfate. The atoms of aluminum ion, potassium ion, and sulfate ion are bonded with ionic bonds.
• when dissolved in water gives free ion viz, Al3+, k+, and SO4 2-.

Hence Fructose solution does not contain free ions.

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