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Standard XII

Chemistry

pH the Power of H

Ammonium hydr...

Question

Ammonium hydroxide is a weak base because:

It has low vapour pressure

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It is only slightly ionized

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It is not a hydroxide of any metal

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It has low density

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Solution

The correct option is B It is only slightly ionized
$N H_{4} O H$ is a weak electrolyte as it is only slightly ionize or dissociates in water. Hence, it does not dissociate completely into ions and value of $K_{b}$ is low.

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(B) it has a high melting point
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(B) calcium hydroxide
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(D) sodium hydroxide

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pH the Power of H

Standard XII Chemistry

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Ammonium hydroxide is a weak base because:

The correct option is B It is only slightly ionized NH4OH is a weak electrolyte as it is only slightly ionize or dissociates in water. Hence, it does not dissociate completely into ions and value of Kb is low.

The correct option is B It is only slightly ionized
$N H_{4} O H$ is a weak electrolyte as it is only slightly ionize or dissociates in water. Hence, it does not dissociate completely into ions and value of $K_{b}$ is low.