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Assertion :- A solution of NH(4)Cl in wa...

Assertion :- A solution of `NH_(4)Cl` in water is acidic in nature.
Reacon : - Ammonium ions undergo hydroysis to from `NH_(4)OH` .

A

A

B

B

C

C

D

D

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NH_(4)Cl is acidic due to

Aqueous solution of NH_(4)Cl is …… in nature due to behaviour of….ion in solution:

Assertion (A): On addition of NH_(4)CI to NH_(4)OH, pH decreases but remains grater than 7 . Reason (R) : Addition of overset(o+)NH_(4) ion decreases ionication of NH_(4)OH , thus [overset(Theta)OH] decreases and also pH decreases.

When NH_(4)Cl is added to a solution of NH_(4)OH :

When NH_(4)Cl is added to a solution of NH_(4)OH :

Assertion : The pH of NH_(4)Cl solution in water is less than 7 and pH of CH_(3)COONa solution is more than 7. Reason : NH_(4)Cl is a salt of weak NH_(4)OH and strong acid HCl whereas CH_(3)COONa is salt of a weak acid CH_(3)COOH and strong base NaOH.

Assertion: The pH of NH_(4)OH remains unchanged on addition of NH_(4)Cl . Reason : Addition of NH_(4)Cl suppresses the dissociation of NH_(4)OH due to common ion effect.

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