Question:

Sea water boils at a temperature:

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Dissolved salts lower vapor pressure, so sea water needs a higher temperature to boil.
Updated On: Jul 3, 2026
  • Higher than pure water
  • Lower than pure water
  • Same as that of pure water
  • Cannot be predicted correctly
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The Correct Option is A

Solution and Explanation

Step 1: Dissolved salts lower vapor pressure of water (Raoult's law).
Step 2: Boiling occurs when vapor pressure equals atmospheric pressure, so more heating needed.
Step 3: delta Tb = iKbm is positive, boiling point elevated.
\[\boxed{\text{Higher than pure water}}\]
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