2 H 2 O- H 3 O - -OH - -K w -1- 10 -14 at 25-C- Hence- K a is-

The correct option is C 18× 10^ 17 ...

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Auto Protolysis of Water

2 H 2 O⇌ H 3 ...

Question

$2 H_{2} O ⇌ H_{3} O^{+} + O H^{-}, K_{w} = 1 \times 10^{- 14}$ at $25^{\circ} C$ . Hence, $K_{a}$ is:

1 \times 10^{- 14}

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5.55 \times 10^{- 3}

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18 \times 10^{- 17}

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1.00 \times 10^{- 7}

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Solution

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