SATHEE: Equilibrium Question 222

Equilibrium Question 222

Question: When solid potassium cyanide is added in water then [CPMT 2002; BHU 2002]

Options:

A) pH will increase

B) pH will decrease

C) pH will remain the same

D) Electrical conductivity will not change

Show Answer

Answer:

Correct Answer: A

Solution:

$ KCN+H_2O $ ⇌ $ KOH+HCN $ . $ KOH $ is a strong base and $ HCN $ is a weak acid.

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Equilibrium Question 222

Question: When solid potassium cyanide is added in water then [CPMT 2002; BHU 2002]

Options:

Answer:

Solution:

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