Assertion :pH value of $H C l$ solution is less than that of acetic acid of the same concentration. Reason: In equimolar solution, the number of titrable protons present in $H C l$ is less than that present in acetic acid.

both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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assertion is correct but Reason is incorrect

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both Assertion and Reason are incorrect

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Solution

The correct option is C assertion is correct but Reason is incorrect
pH value of HCl solution is less than that of acetic acid of the same concentration. HCl is strong acid and is completely dissociated. Acetic acid is weak acid and partially dissociated. Thus, hydrogen ion concentration is higher in HCl than in acetic acid. Lower is the pH, greater is the hydrogen ion concentration and greater is the acid strength. In equimolar solution, the number of titrable protons present in HCl is equal to that present in acetic acid. Assertion is correct but Reason is incorrect

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Read the assertion and reason carefully to mark the correct option out of the options given below :

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(d) If the assertion and reason both are false.

(e) If assertion is false but reason is true.

Assertion: Acetic acid does not undergo haloform reaction.

Reason: Acetic acid has no alpha hydrogens.

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

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