NEET Chemistry MCQ: NCERT Raoult's Law

A mixture of two volatile liquids A and B shows a negative deviation from Raoult's law. Which of the following statements is INCORRECT regarding this mixture?

The enthalpy of mixing is negative.

The volume of mixing is negative.

The boiling point of the mixture is lower than that predicted by Raoult's law.

The intermolecular forces between A and B are stronger than the A-A and B-B interactions.

Question Tags

📚 Subject:Chemistry

📑 Chapter:Some Basic Concepts in Chemistry

🎯Topic:Concentration Methods

🎓 Ncert Level:Analyzing

🎯Difficulty :Hard

⚡ Time Required :1.5 mins

🔄Ncert Concepts :Solutions, Raoult's Law, Intermolecular Forces

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The number of moles of $KMn{O_4}$ that will be needed to react completely with one mole of oxalate ion in acidic solution is

$\frac{5}{2}$

$\frac{3}{2}$

$\frac{2}{5}$

$\frac{1}{2}$

Question Tags

📚 Subject:Chemistry

📑 Chapter:Some Basic Concepts in Chemistry

🎯Topic:Concentration Methods

🎓 Ncert Level:Application

🎯Difficulty :Hard

⚡ Time Required :3 mins

🔄Ncert Concepts :Redox reactions, Balancing chemical equations, Stoichiometry

What weight of ${\rm{HN}}{{\rm{O}}_3}$ is needed to convert 5 g of iodine into iodic acid according to the reaction, ${{\rm{I}}_2} + {\rm{HN}}{{\rm{O}}_3} o {\rm{HI}}{{\rm{O}}_3} + {\rm{N}}{{\rm{O}}_2} + {{\rm{H}}_2}{\rm{O}}?$ ?