When solid potassium cyanide is added in water then - Vidyadip

MCQ

When solid potassium cyanide is added in water then

✓
$pH$ will increase
B
$pH$ will decrease
C
$pH$ will remain the same
D
Electrical conductivity will not change

✓

Answer

Correct option: A.

$pH$ will increase

(a) $KCN + {H_2}O⇌KOH + HCN$.

$KOH$ is a strong base and $HCN$ is a weak acid.

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