Among the following options, which is the strongest acid?

H₃PO₄

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H₂SO₄

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HNO₃

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CH₃COOH

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Solution

The correct option is B
H₂SO₄

$H_{2} {S O}_{4}$ is a strong acid because it can give $H^{+}$ ions easily. Others give very little $H^{+}$ ions, so are weak acids.

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