Question

why dry hcl gas is not an acid?

Answer 1

this is the answer of your question
dry HCl I'd not an acid because dry HCl does not give hydrogen ions .HCl can produce theSe ions only in the form of aqeous solution
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Answer 2

Dry HCL it does not dissociate to give H + ions.

• The compound hydrogen chloride has the chemical formula HCl and as such is a hydrogen halide
• HCL Generator Plant is designed to produce dry HCL-gas by the process of dehydration of 30% HCL solution with concentrated Sulfuric Acid.
• Sulfuric Acid is fed from the top of the packed column as a co-current feed to 30% HCL sol. from the middle of the column.
• HCL gas is generated when the two acids come in contact with the bottom portion of the column.
• Dry HCl gas does not change the colour of the dry litmus paper.
• An acid is a molecule or ion capable of either donating a proton , known as a Brønsted–Lowry acid, or forming a covalent bond with an electron pair, known as a Lewis acid.
• Acid–base conjugate pairs differ by one proton, and can be interconverted by the addition or removal of a proton.
• The stronger of two acids will have a higher Ka than the weaker acid.
• A strong acid is one that completely dissociates in water
• While Ka measures the strength of an acid compound, the strength of an aqueous acid solution is measured by pH, which is an indication of the concentration of hydronium in the solution.

• Acids dissociate to give ions only in the aqueous solution.

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