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White fumes appear when bottles containi...

White fumes appear when bottles containing anhydrous `AlCl_3` is opened for a fraction of time. Explain.

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Anhydrous Aluminium chloride get hydrolysed when comes in contact of moisture of atmosphere and yields fumes of ` HCl gas.
`AlCl_3(s)+3H_2OrightarrowAl(OH)_3+3HCl(g)`
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