NH4 Cl is a salt produced by the neutralization reaction between a strong acid (HCl) and a weak base (NH4OH). The reaction between them can be represented as follows:HCL + NH4OH → NH4CL + H2OHydrolyses of NH4CL tales place as follows:NH4 + + H2O → NH3 + H3O +Its produces H3O + and that’s why the aqueous solutions of salt produced by neutralization of strong acid and a weak base are acidic in nature. Therefore, pH < 7.

Q. 1 O5.0( 1 Vote )

What will b A. pH = 7

B. pH > 7

C. pH < 7

D. pH = 0

Class 10th Gujarat Board Science 7. Acids, Bases and Salts

Answer :

NH₄ Cl is a salt produced by the neutralization reaction between a strong acid (HCl) and a weak base (NH₄OH). The reaction between them can be represented as follows:

HCL + NH₄OH → NH₄CL + H₂O

Hydrolyses of NH₄CL tales place as follows:

NH₄ ⁺ + H₂O → NH₃ + H₃O ⁺

Its produces H₃O ⁺ and that’s why the aqueous solutions of salt produced by neutralization of strong acid and a weak base are acidic in nature. Therefore, pH < 7.

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