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What is the explanation for the effect on the boiling point of water when 1 mol of NaCl is added to 1 litre of water, and when 1 mol of methyl alcohol is added to one litre of water?

Options

  1. AAddition of NaCl decreases the boiling point due to increased vapor pressure.
  2. BAddition of NaCl increases the boiling point due to decreased vapor pressure.
  3. CAddition of methyl alcohol increases the boiling point due to increased vapor pressure.
  4. DAddition of methyl alcohol decreases the boiling point due to decreased vapor pressure.

Correct answer

B. Addition of NaCl increases the boiling point due to decreased vapor pressure.

Step-by-step solution

Correct Option is : (B) Addition of NaCl increases the boiling point due to decreased vapor pressure.

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