Question

compound whose aqueous solution has highest pH is :
Sodium chloride
Sodium carbonate
Ammonium chloride
sodium nitrate

Answer 1

Answer:

Sodium chloride

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Answer 2

Explanation:

NaCl is a salt of strong acid and strong base hence its aqueous solution will be neutral ie pH=7.NaHCO3 is an acidic salt hence pH<7. Na2CO3 is a salt of weak acid and strong base. Hence its aqueous solution will be strongly basic ie. pH>7.NH4Cl is salt of  weak base and strong acid, hence its aqueous solution will be strongly acidic i.e. pH<7.

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