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ExamsJEE MainChemistry

The compound whose aqueous solution has the highest pH is

  1. NaCl
  2. NaHCO3
  3. Na2CO3
  4. NH4Cl

Correct answer: Na2CO3

Solution

Na2CO3 is a salt of a weak acid (carbonic acid) and a strong base (sodium hydroxide), making its solution basic.

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