1. When an acid gets diluted, the concentration of hydronium ions (H3O+) per unit volume decreases. This means that the strength of the acid decreases when it gets diluted.

    When an acid gets diluted, the concentration of hydronium ions (H3O+) per unit volume decreases. This means that the strength of the acid decreases when it gets diluted.

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  2. Dissolving an acid in water is an exothermic reaction, it is always recommended that acid should be added to water, in this case heat produced is not sufficient to burn out, if we add acid to water then it is possible that because of the large amount of heat generated, the mixture splashes out and cRead more

    Dissolving an acid in water is an exothermic reaction, it is always recommended that acid should be added to water, in this case heat produced is not sufficient to burn out, if we add acid to water then it is possible that because of the large amount of heat generated, the mixture splashes out and causes burns.

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  3. Dry HCl gas does not contain H+ ions in the aqueous condition only an acid dissociates to give ions. Hence, their is no change in the colour of the litmus paper.

    Dry HCl gas does not contain H+ ions in the aqueous condition only an acid dissociates to give ions. Hence, their is no change in the colour of the litmus paper.

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  4. In aqueous solutions acids dissociate to form ions. These ions conduct electricity. In dry condition acid does not dissociate to form ions.

    In aqueous solutions acids dissociate to form ions. These ions conduct electricity. In dry condition acid does not dissociate to form ions.

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  5. HCl or HNO3  shows acidic character on aqueous solution because hydrogen ions  dissociation always occurs in the presence of water. Hydrogen ions (H+) when combined  with H2O to form hydronium ions (H3O+). The reaction is as follows: HCL(aq)  →  H+ + CL- H+ + H2O → H3O+ Whereas aqueous solutions ofRead more

    HCl or HNO3  shows acidic character on aqueous solution because hydrogen ions  dissociation always occurs in the presence of water. Hydrogen ions (H+) when combined  with H2O to form hydronium ions (H3O+).

    The reaction is as follows:

    HCL(aq)  →  H+ + CL

    H+ + H2O → H3O+

    Whereas aqueous solutions of glucose and alcohol contain hydrogen, these cannot dissociate in water to form hydrogen ions. Therefore they do not show acidic character.

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