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A Salt Whose Aqueous Solution Will Have a Ph of More than 7 Will Be: (A) K2co3 (B) K2so4 (C) Nacl (D) Nh4cl - Science

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ConceptSalt pH of Salts

Question

A salt whose aqueous solution will have a pH of more than 7 will be:
(a) K2CO3
(b) K2SO4
(c) NaCl
(d) NH4Cl

Solution

K2CO3
K2CO3 is formed from a weak acid, carbonic acid (H2CO3), and a strong base, potassium hydroxide (KOH). On hydrolysis, K2CO3 forms more OH- ions than H+ ions. Thus, it is basic, with a pH more than 7.

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Solution A Salt Whose Aqueous Solution Will Have a Ph of More than 7 Will Be: (A) K2co3 (B) K2so4 (C) Nacl (D) Nh4cl Concept: Salt - pH of Salts.
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