1. 0.01M Urea 2. 0.01M KNO₃ 3. 0.01M Na₂SO₄ 4. 0.015M mathrmC₆H₁₂O₆

Answer: 3. 0.01M Na₂SO₄ Key idea: elevation of boiling point depends on i× c . Urea: 1×0.01=0.01 . KNO₃ : 2×0.01=0.02 . Na₂SO₄ : 3×0.01=0.03 . Glucose: 1×0.015=0.015 . Na₂SO₄ has the highest value: option (3).

Topic: Colligative properties· Solutions

Which of the following aqueous solution will exhibit highest boiling point?

1. 0.01M Urea

2. 0.01M \(\mathrm{KNO_3}\)

3. 0.01M \(\mathrm{Na_2SO_4}\)

4. 0.015M \(\mathrm{C_6H_{12}O_6}\)

Doubtly Asked 30 Oct 2026 NEET UG 2025 Practice test neet Save WhatsApp Report

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Answer: 3. 0.01M \(\mathrm{Na_2SO_4}\)

Key idea: elevation of boiling point depends on \(i\times c\).

Urea: \(1\times0.01=0.01\).
\(\mathrm{KNO_3}\): \(2\times0.01=0.02\).
\(\mathrm{Na_2SO_4}\): \(3\times0.01=0.03\).
Glucose: \(1\times0.015=0.015\).

\(\mathrm{Na_2SO_4}\) has the highest value: option (3).

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Which of the following aqueous solution will exhibit highest boiling point?

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