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प्रश्न
An hydrous hydrogen chloride is not an acid but its aqueous solution is a strong acid. Explain.
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उत्तर
Anhydrous hydrogen chloride is not an acid but its aqueous solution is a strong acid because anhydrous means without water and we know that the property of acidity is shown by a substance only when it is dissolved in water or its aqueous solution is prepared.
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\[\begin{array}{cc}
\phantom{}\ce{\underset{}{CH3COOH + PCl5} ->[][ ] \underset{}{A}->[C6H6][anhy.AlCl3 ] \underset{}{B}->[C2H5MgBr][Ether] \underset{}{C}}\\
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