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Electrolytes

How many of t...

Question

How many of the following are strong electrolytes?
a. $N H_{3}$ b. $N H_{4} C l$
c. $C H_{3} C O O H$ d. $C H_{3} C O O N a$
e. $H C l$ f. $N a C l$

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Solution

Four of the following are strong electrolytes.
a. $N H_{3}$ (weak electrolyte) b. $N H_{4} C l$ (strong electrolyte)
c. $C H_{3} C O O H$ (weak electrolyte) d. $C H_{3} C O O N a$ (strong electrolyte)
e. $H C l$ (strong electrolyte) f. $N a C l$ (strong electrolyte)
Salts are strong electrolytes. They undergo complete dissociation.
Weak acid (acetic acid) and weak base (ammonia) are weak electrolytes. They undergo partial dissociation.

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