Download App

STD 12 -1. Solution and colligative properties — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 -1. Solution and colligative properties4 Marks
✓

Answer

Correct option: A.
a
Maximum boiling azeotrope are formed by solutions which show negative deviation from ideal behaviour.

Water + Nitric acid shows negative deviation.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The lanthanoide that would show colour is
→
A monoprotic acid in a $0.1\,\,M$ solution ionizes to $0.001\%$. Its ionisation constant is
→
What is the molar solubility of $Mn(OH)_2$ $(K_{sp} = 4.5\times10^{-14})$ in a buffer solution contain equal moles of $NH_4^+$ and $NH_3$ $(K_b = 1.8\times10^{-5})$ ?
→
Nitroethane can exhibit one of the following kind of isomerism
→
The number of species from the following carrying a single lone pair on central atom Xenon is $.....$: $XeF _5^{+}, XeO _3, XeO _2 F _2, XeF _5^{-}, XeO _3 F _2, XeOF _4$, $XeF _4$
→
Which of the following statement is true with respect to $\mathrm{H}_{2} \mathrm{O}, \mathrm{NH}_{3}$ and $\mathrm{CH}_{4}$ ?
A. The central atoms of all the molecules are $\mathrm{sp}^{3}$ hybridized.
B. The $\mathrm{H}-\mathrm{O}-\mathrm{H}, \mathrm{H}-\mathrm{N}-\mathrm{H}$ and $\mathrm{H}-\mathrm{C}-\mathrm{H}$ angles in the above molecules are $104.5^{\circ}, 107.5^{\circ}$ and $109.5^{\circ}$ respectively.
C. The increasing order of dipole moment is $\mathrm{CH}_{4}<\mathrm{NH}_{3}<\mathrm{H}_{2} \mathrm{O}$.
D. Both $\mathrm{H}_{2} \mathrm{O}$ and $\mathrm{NH}_{3}$ are Lewis acids and $\mathrm{CH}_{4}$ is a Lewis base
E. A solution of $\mathrm{NH}_{3}$ in $\mathrm{H}_{2} \mathrm{O}$ is basic. In this solution $\mathrm{NH}_{3}$ and $\mathrm{H}_{2} \mathrm{O}$ act as Lowry-Bronsted acid and base respectively.
Choose the correct answer from the options given below :
→
Which of the following species has the highest ionisation potential
→
Which of the following is most suitable to disperse benzene in water ?
→
The internuclear distances in $O -O$ bonds for $O_2^+ ; O_2 , O_2^-$ and $O_2^{2-}$ respectively are
→
Match List-I with List-$II$

List-$I$

(Complexion)

List-$II$

(Spin only magnetic

moment in B.M.)
$A$ ${\left[\mathrm{Cr}\left(\mathrm{NH}_5\right)_0\right]^{3+}}$ $I$ $4.90$
$B$ ${\left[\mathrm{NiCl}_4\right]^{2-}}$ $II$ $3.87$
$C$ ${\left[\mathrm{CoF}_6\right]^{3-}}$ $III$ $0.0$
$D$ ${\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}}$ $IV$ $2.83$

Choose the correct answer from the options given below:

→