Na\(_2\)CO\(_3\) + 2HCl \(\to\) 2NaCl + H\(_2\)O + CO\(_2\)

The indicator most suitable for this reaction should have a pH equal to

  • A 5
  • B 7
  • C 3
  • D 9
jamb 2019chemistry

The correct answer is C. 3

Methyl orange is the best indicator for the reaction with range 3.1 - 4.4.

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