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Elements of Groups 16, 17 and 18 — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryElements of Groups 16, 17 and 182 Marks
Question
What is hydrochloric acid?
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Answer

An aqueous solution of hydrogen chloride is called hydrochloric acid.

It is acidic in nature. It is a strong acid and dissociates almost completely.
$HCl _{( aq )}+ H _2 O \rightarrow H _3 O ^{+}{ }_{( aq )}+ Cl ^{-}{ }_{( aq )} Ka _{ a }=10^7$

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