Chemistry
WAEC 2019
The most suitable indicator for the reaction between NaOH and HCOOH is?
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A.
bromocresol
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B.
methyl orange
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C.
methyl red
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D.
phenolphthalein
Correct Answer: Option D
Explanation
Phenolphthalein is suitable as indicator for this reaction i.e strong base and weak acid
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