The salt whose aqueous solution has the highest pH at the same temperature is:
A
NaCl
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B
(NH4)2SO4
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C
CH3COONH4
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D
K2CO3
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Solution
The correct option is DK2CO3 A solution of NaCl in water is neutral. (NH4)2SO4 solution is acidic. CH3COONH4 solution is slightly acidic or alkaline pH. K2CO3 solution is alkaline in nature.