Q29 of 48 Page 9

Which of the following are present in a dilute aqueous solution of hydrochloride acid?

HCl is a strong acid. When HCl is mixed with water, its molecules dissociate completely to furnish H+ ions and Cl– ions. This H+ ion combines with water molecules to produce hydronium ions.


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27

Which of the following is/are true when HCl (g) is passed through water?

(i) It does not ionise in the solution as it is a covalent compound.


(ii) It ionises in the solution.


(iii) It gives both hydrogen and hydroxyl ion in the solution.


(iv) It forms hydronium ion in the solution due to the combination of hydrogen ion with a water molecule.

 28

Which of the following statement is true for acids?

 30

Identify the correct representation of reaction occurring during chloralkali process.

 31

Match the acids given in Column I with their correct source given in Column II.























Column I



Column II



A. Lactic acid



1. Tomato



B. Acetic acid



2. Lemon



C. Citric acid



3. Vinegar



D. Oxalic acid



4. Curd