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Which of the Following Salts Will Give an Aqueous Solution Having Ph of Almost 7? (A) Nh4no3 (B) Nh4cl (C) Cacl2 (D) Kcl - Science

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ConceptSalt pH of Salts

Question

Which of the following salts will give an aqueous solution having pH of almost 7?
(a) NH4NO3
(b) NH4Cl
(c) CaCl2
(d) KCl

Solution

KCl 
KCl is formed from a strong acid, hydrochloric acid (HCl), and a strong base, potassium hydroxide (KOH). Thus, KCl, on hydrolysis, forms equal amounts of H+ and OH- ions. This is why an aqueous solution of KCl shows a pH of almost 7.

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Solution Which of the Following Salts Will Give an Aqueous Solution Having Ph of Almost 7? (A) Nh4no3 (B) Nh4cl (C) Cacl2 (D) Kcl Concept: Salt - pH of Salts.
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