(A) : NaCl + HCl does not experience common – ion effect.
(R) : Both NaCl and HCl are strong electrolytes.

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(A) is true but (R) is false

Both (A) and (R) are true but (R) is not the correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are false

answer is A.

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Detailed Solution

Common ion effect is experienced by only weak electrolytes as there exists an equilibrium between the dissociated and undissociated parts.

Both have Cl⁻ as a common ion.
NaCl is a salt of Na(OH) and HCl. HCl is a strong acid itself. Since all of these are strong acids and bases, these two species don’t exhibit the common ion effect.

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