CBSE Class 10 Answered
What happen to an Acid or a Base in a Water solution ??
What is exothermic and endothermic reactions??
Asked by adhakad099 | 02 Sep, 2015, 06:57: AM
Expert Answer
Dear adhakad099@gmail.com
Thanks for asking us a question in Ask the Expert section of TopperLearning.com.
In case of multiple questions within a query, please post each question individually and let us know where you are getting stuck so that we would be able to explain things better.
Solution of your first query,
When an acid or a base is dissolved in water, they get dissociated into ions.
For example,
When hydrochloric acid is dissolved in water, it get dissociated into ions such as protons (H+ ions) and Cl- ions as follows:
HCl + H2O → H3O+ + Cl-
As there is an increase in the protons in the aqueous solutions, the solution is acidic in nature.
Similarly, when NaOH is dissolved in water, it get dissociated as,
NaOH + H2O → Na+ + OH- + H2O
As there is an increase in the hydroxyl ions in the solution, the solution is basic in nature.
Basic aqueous solution is called alkali.
Regards
Topperlearning Team.
Topperlearning Team.
Answered by Prachi Sawant | 02 Sep, 2015, 11:26: AM
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