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A Salt is Dissolved in Water and the Ph of this Salt Solution is Measured with a Universal Indicator Paper. If the Ph of Solution is Less than 7, the Salt is Most Likely to Be: (A) Ch3coona (B) Na2co3 (C) Kcl (D) Nh4cl - Science

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ConceptSalt pH of Salts

Question

A salt is dissolved in water and the pH of this salt solution is measured with a universal indicator paper. If the pH of solution is less than 7, the salt is most likely to be:
(a) CH3COONa
(b) Na2CO3
(c) KCl
(d) NH4Cl

Solution

NH4Cl
NH4Cl is formed from a weak base, ammonium hydroxide (NH4OH), and a strong acid, hydrochloric acid (HCl). On hydrolysis, NH4Cl forms more H+ ions than OH- ions. Thus, it is acidic, with a pH less than 7. 

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Solution A Salt is Dissolved in Water and the Ph of this Salt Solution is Measured with a Universal Indicator Paper. If the Ph of Solution is Less than 7, the Salt is Most Likely to Be: (A) Ch3coona (B) Na2co3 (C) Kcl (D) Nh4cl Concept: Salt - pH of Salts.
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