Q.
Aqueous solution of which of the following salt has maximum pH?
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a
NH4Cl
b
NaNO3
c
KCN
d
HCOONH4
answer is C.
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Detailed Solution
A salt of WA-SB will have highest pH;KCN is a salt of HCN(WA) and KOH(SB);CN-+H2O⇌HCN+OH-;
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