Which of the following is paired incorrectly?

H C l

- strong acid

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H {N O}_{3}

- weak acid

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B a (O H)_{2}

- strong base

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H I

- strong acid

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Solution

The correct option is B $H {N O}_{3}$ - weak acid
$H N O_{3}$ is a strong acid because it almost completely dissociates i.e. breaks apart into $N O_{3}^{-}$ and $H^{+}$ ions in solution. That is the general definition of strong acids, bases, or electrolytes. They are compounds that almost completely dissociate in water.

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Which of the following is paired incorrectly?

The correct option is B HNO3 - weak acidHNO3 is a strong acid because it almost completely dissociates i.e. breaks apart into NO−3 and H+ ions in solution. That is the general definition of strong acids, bases, or electrolytes. They are compounds that almost completely dissociate in water.