Given below are two statements:

Statement I: On passing gas through a saturated solution of , at room temperature white turbidity appears.
Statement II: When HCl gas is passed through a saturated so

Question

Given below are two statements:

Statement I: On passing  gas through a saturated solution of , at room temperature white turbidity appears.
Statement II: When HCl gas is passed through a saturated solution of NaCl, sodium chloride is precipitated due to common ion effect.

Select the correct option:

Canvas Classes · Accepted Answer

⚠️ Note: This question has conflicting answers across all online and offline sources. We provide an unusually detailed explanation below so you can understand what is actually happening chemically.

Step 1 — Evaluate Statement I: Passing HCl gas through saturated  causes white turbidity

At first glance, since  is "soluble," many sources say no precipitation occurs. However, the reality is more nuanced:

The  of  is not a tiny number. Unlike sparingly soluble salts (e.g., , ),  is highly soluble

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