MCQ
The mixture which shows positive deviation from Raoult's law is
- AChloroethane $+$ Bromoethane
- ✓Ethanol $+$ Acetone
- CBenzene $+$ Toluene
- DAcetone $+$ Chloroform
✓
Answer
Correct option: B.
Ethanol $+$ Acetone
b
Hydrogen bond of ethanol gets weakened by addition of acetone.
Hydrogen bond of ethanol gets weakened by addition of acetone.
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
In the Claisen-Schmidt reaction to prepare $351 \mathrm{~g}$ of dibenzalacetone using $87 \mathrm{~g}$ of acetone, the amount of benzaldehyde required is . . . . . . .g. (Nearest integer)
→The reaction;
(Image)
occurs in which of the following galvanic cell
major product is ?
The bond angle in $P{H_3}$ is
→A mixture of all isomers possible from the mono-chlorination of the structure is subjected to fractional distillation, then how many fractions will be obtained?
The molar conductance of $\mathrm{NaCl}, \mathrm{HCl}$ and $\mathrm{CH}_{3} COONa$ at infinite dilution are $126.45,426.16$ and $91.0\, \mathrm{~S} \,\mathrm{~cm}^{2} \,\mathrm{~mol}^{-1}$ respectively. The molar conductance of $\mathrm{CH}_{3} \mathrm{COOH}$ at infinite dilution is. Choose the right option for your answer. (In $\mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}$)
→$K _{ a_1,}, K _{ a_2 }$ and $K _{ a_3}$ are the respective ionization constants for the following reactions $(a), (b),$ and $(c)$.
→$(a)$ $H _{2} C _{2} O _{4} \rightleftharpoons H ^{+}+ HC _{2} O _{4}^{-}$
$(b)$ $HC _{2} O _{4}^{-} \rightleftharpoons H ^{+}+ HC _{2} O _{4}^{2-}$
$(c)$ $H _{2} C _{2} O _{4} \rightleftharpoons 2 H ^{+}+ C _{2} O _{4}^{2-}$
The relationship between $K_{a_{1}}, K_{ a _{2}}$ and $K_{ a _{3}}$ is given as
Choose the $CORRECT$ reason for fluorine being a stronger oxidising agent than chlorine
→$(I)$ Low enthalpy of dissociation of $F-F$ bond
$(II)$ High hydration enthalpy of $F^-$
$(III)$ Low atomisation enthalpy of $F_2$
Chlorine can be manufactured from
The solubility product of $AgCl$ is $10^{-10}\, M^2$. The minimum volume (in $m^3$) of water required to dissolve $14.35\, mg$ of $AgCl$ is approximately
→