MCQ
A mixture showing negative deviation from Raoult’s law is:
- AHexane + Heptane
- BBenzene + Toluene
- CWater + Ethanol
- ✓Nitric acid + Water
✓
Answer
Correct option: D.
Nitric acid + Water
(D)Nitric acid + Water
If A–B interactions > A–A or B–B interactions then mixture shows negative deviation from Raoult’s law.
If A–B interactions > A–A or B–B interactions then mixture shows negative deviation from Raoult’s law.
| Hexane + Heptane | : No deviation |
| Benzene + Toluene | : No deviation |
| Water + Ethanol | : +ve deviation |
| Nitric acid + Water | : –ve deviation |
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
$\,$
→The correct $I U P A C$ name of the given compound is
→Change in composition of co-ordination sphere yields which types of isomers
Incorrect statement regarding $N(SiH_3)_3$ is
→The electronic configuration of the element which is just above the element with atomic number $43$ in the same periodic group is
→Arrange in their decreasing order of rate of electrophilic aromatic substitution
The given compound:
is an example of ____________ .
is an example of ____________ .
The standard enthalpy of formation of $NH_3$ is $- 46.0 \,kJ\, mol^{-1}.$ If the enthalpy of formation of $H_2$ from its atoms is $- 436\, kJ\, mol^{-1}$ and that of $N_2$ is $- 712 \,kJ\, mol^{-1},$ the average bond enthalpy of $N - H $ bond in $NH_3$ is ................ $\mathrm{kJ\,mol}^{-1}$
→The energy of one mole of photons of radiation of frequency $2 \times 10^{12}\,Hz$ in $Jmol ^{-1}$ is $.....$(Nearest integer) (Given: $h =6.626 \times 10^{-34}\,JS$ $\left. N _{ A }=6.022 \times 10^{23}\, mol ^{-1}\right)$
→If $1\, mole$ of aqueous nitric acid is formed, calculate total heat released
→$\left. \begin{gathered}
{\text{4N}}{{\text{H}}_{3(g)}}{\text{ + 5}}{{\text{O}}_{2(g)}} \to {\text{ 4N}}{{\text{O}}_{(g)}}{\text{ + 6}}{{\text{H}}_{\text{2}}}{{\text{O}}_{{\text{(l)}}}} \hfill \\
{\text{2N}}{{\text{O}}_{(g)}}{\text{ + }}{{\text{O}}_{2(g)}} \to {\text{2N}}{{\text{O}}_{2(g)}} \hfill \\
{\text{3N}}{{\text{O}}_{2(g)}}{\text{ + }}{{\text{H}}_{{\text{ 2}}}}{{\text{O}}_{(l)}} \to {\text{2H N}}{{\text{O}}_{3(aq)}}{\text{ + N}}{{\text{O}}_{(g)}} \hfill \\
\end{gathered} \right|\begin{array}{*{20}{c}}
{\Delta H(kJ)} \\
{ - 904} \\
{ - 112} \\
{ - 140}
\end{array}$