Question

15. Debye-Huckel theory is applicable to:
(A) CH3COOH
(B) KCN
(C) NH, OH
(D) KNO,​

Answer 1

Answer:

 Debye - Huckel theory explains the variation of equivalent conductance of strong electrolytes like KCN at infinite dilution

Explanation:

• This theory is the theoretical explanation of the ions in the solutions.

•Strong electrolytes dissociates completely in the water.

•Weak electrolytes dissociates very lesser.

•Hence in strong electrolytes when the degree of dissociation increases with increase dilution ,so mobility of ions increased hence conductance also increased.

 From the above options given KCN is the strong electrolyte .It dissociates into K+ and CN- ions.

OPTION B is the answer.

Answer 2

Answer:

Debye - Huckel theory explains the variation of equivalent conductance of strong electrolytes like KCN at infinite dilution

Explanation:

• This theory is the theoretical explanation of the ions in the solutions.
• Strong electrolytes dissociate completely in the water.
• Weak electrolytes dissociate very lesser.
• Hence in strong electrolytes when the degree of dissociation increases with increasing dilution, so mobility of ions increases hence conductance also increased.
• From the above options given KCN is the strong electrolyte. It dissociates into K+ and CN- ions.

Therefore option (B) is the correct answer.

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