In qualitative analysis $N H_{4} C I$ is added before $N H_{4} O H$ .

To decrease

O H^{-}

concentration

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To increase

O H^{-}

concentration

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For making HCI

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Statement is wrong

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Solution

The correct option is A To decrease $O H^{-}$ concentration
Addition of $N H_{4} C l$ before adding $N H_{4} O H$ decrease $[O H^{-}]$ ion due to common ion effect.

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Similar questions

N H_{4} C l

N H_{4} O H

N H_{4} O H

N H_{4} O H (a q) ⇌ N H_{4}^{+} (a q) + O H^{-} (a q)

N H_{4} C l

p H

N H_{4} O H

{N H}_{4} O H

{N H}_{4} C I .

[{O H}^{-}]

[K_{b} = 2 \times 10^{- 5}]

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