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Originally, a "strong electrolyte" was defined as a chemical that, when in aqueous solution, is a good conductor of electricity. With greater understanding of the properties of ions in solution its definition was gradually changed to the present one.
A concentrated solution of this strong electrolyte has a lower vapour pressure than that of pure water at the same temperature. Strong acids, strong bases, and soluble ionic salts that are not weak acids or weak bases are strong electrolytes.
For strong electrolytes, a single reaction arrow shows that the reaction occurs completely in one direction, in contrast to the dissociation of weak electrolytes, which both ionize and re-bond in significant quantities .
- Strong electrolyte(aq)→ Cation+(aq) + Anion-(aq)
Strong electrolytes conduct electricity only when molten or in aqueous solutions. Strong electrolytes break apart into ions completely.
The stronger an electrolyte the greater the voltage produced when used in a galvanic cell.
Examples of Strong Electrolytes
- Perchloric acid HClO4
- Hydriodic acid HI
- Hydrobromic acid HBr
- Hydrochloric acid HCl
- Sulfuric acid H2SO4
- Nitric acid HNO3
- Chloric acid HClO3
- Bromic acid HBrO3
- Perbromic acid HBrO4
- Iodic acid HIO3
- Periodic acid HIO4
- Fluoroantimonic acid HSbF6
- Magic acid FSO3HSbF5
- Carborane superacid H(CHB11Cl11)
- Fluorosulfuric acid FSO3H
- Triflic acid CF3SO3H
- Potassium hydroxide KOH
- Barium hydroxide Ba(OH)2
- Caesium hydroxide CsOH
- Sodium hydroxide NaOH
- Strontium hydroxide Sr(OH)2
- Calcium hydroxide Ca(OH)2
- Lithium hydroxide LiOH
- Rubidium hydroxide RbOH
- Magnesium hydroxide Mg(OH)2
- n-Butyllithium (n-BuLi)
- Lithium diisopropylamide (LDA) C6H14LiN
- Lithium diethylamide (LDEA)
- Sodium amide NaNH2
- Sodium hydride NaH
- Lithium bis(trimethylsilyl)amide ((CH3)3Si)2NLi
From Yahoo Answers
Answers:a strong acid or base is mostly a strong electrolyte a weak acid (vinegar) or base is mostly a weak electrolyte unless the weak base / acid has a metal ion, it i a strong electrolyte as it releases all of its electrons strong acids and bases fully ionises, which releases a large amount of free electrons to the water, which allows great electrical conductivity while weak acids and bases partly ionises, which releases only some of its electrons, thus it is less strong of an electrolyte. most soluble salts are strong electrolytes as they dissipate / fully ionizes into an electrolyte as they release all of their electrons into the solution
Answers:A. Weak B. Weak C Strong D Weak (Your teacher should give you the sheet called "Relative strengths of Bronsted Lowry Acids and bases. False because nonelectrolytes are substances that dissolve in water but do not produce any ions. An example would be ethanol and sugar. However the reaction of NH3 in water produces NH4^+ and OH^-. (This was in my chem 121 textbook)
Answers:electrolytes react with water to form ions in solution, and nonelectrolytes have molecules.Electrolytes are ionic compounds and some covalent compounds like strong acids. Non electrolytes do not ionize in water. Only covalent compounds like CH4 and C6H6 can be nonelectrolytes
Answers:If it's a soluble compound containing a metal... If it's a dilute strong acid... ...then it's an electrolyte.