Q.
Which of the following salts will give highest pH in water?
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a
KCl
b
NaCl
c
Na2CO3
d
CuSO4
answer is C.
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Detailed Solution
Na2CO3which is a salt of NaOH (strong base) and H2CO3 (weak acid) will produce a basic solution with pH greater than 7,due to anionic hydrolysis.
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