Question

dry HCL gas do not turn blue Litmus red whereas hydrochloric acid does give reason

Answer 1

Litmus is turned turned red by arhenius acids because of their H+ ions . HCl is an acid because it dissoaciates to give H+ ions but only in aqueouasolutionsi.Dry HCl does not give H+ ions. ... HCl can produce these ions only in the form of aqueous solution. Hence dry HCl gas does not change the colour of dry litmus paper...

Hope this helps you out!!

Answer 2

HEY !!! HERE IS YOUR ANSWER ##

Dry Hcl gas does not turn blue Litmus red because it does not contain H+ ion in free state whereas hydrochloric acid is a liquid form so its H+ ion are in free state which turns blue litmus red...

HOPE IT HELPS ^_^