Why does dry HCL gas not change the color of dry litmus paper?
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Answered by
8
because the hack gas dissent had any liquid molecules it does not all a
ow to stick to paper .so if we add some water to that we can get a change
ow to stick to paper .so if we add some water to that we can get a change
Answered by
14
We know that the colour of litmus paper is changed by H + ions because of acid.
Dry HCL it does not dissociate to give H+ ions.
Acids dissociate to give ions only in the aqueous solution.
In this HCL is not in aqueous form nor litmus paper is wet, so the colour of litmus paper does not change.
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