Which of the following acid does not react with metals ?
A
Sulphuric acid
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B
Phosphoric acid
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C
Carbonic acid
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D
Nitric acid
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Solution
The correct option is C Carbonic acid Carbonic acid because it is a weak acid and does not dissociate completely in hydrogen ion in aqueous solution where are sulphuric acid, phosphoric acid, and nitric acid are a strong acid. They dissociate completely in aqueous solution form hydrogen ions and radicles. These radicals react with metal to form stable compounds.