**JEE Main Previous Year Papers Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Main chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak & strong areas.**

**Simulator**

**Previous Years AIEEE/JEE Main Questions**

(1) Under high pressure it results into multi molecular layer on adsorbent surface

(2) Enthalpy of adsorption $\left(\Delta \mathrm{H}_{\text {adsorption }}\right)$ is low and

positive

(3) It occurs because of Van der Waal’s forces

(4) More easily liquefiable gases are adsorbed readi

**AIEEE-2009**

**Sol.**(2)

$\Delta \mathrm{H}$ is negative

(1) $\frac{\mathrm{x}}{\mathrm{m}} \propto \mathrm{p}^{0}$

(2) $\frac{\mathrm{x}}{\mathrm{m}} \propto \mathrm{p}^{1}$

(3) $\frac{\mathrm{x}}{\mathrm{m}} \propto \mathrm{p}^{1 / \mathrm{n}}$

(4) All the above are correct for different ranges of pressure

**AIEEE-2012**

**Sol.**(4)

(1) $\mathrm{Al}^{3+}<\mathrm{Ba}^{2+}<\mathrm{Na}^{+}$

(2) $\mathrm{Na}^{+}<\mathrm{Ba}^{2+}<\mathrm{Al}^{3+}$.

(3) $\mathrm{Ba}^{2+}<\mathrm{Na}^{+}<\mathrm{Al}^{3+}$

(4) $\mathrm{Al}^{3+}<\mathrm{Na}^{+}<\mathrm{Ba}^{2+}$

**JEE-Main 2013**

**Sol.**(2)

According to hardley schuzle rule

(1) log (1/n) appears as the intercept

(2) Both k and 1/n appear in the slope term

(3) 1/n appears as the intercept

(4) Only 1/n appears as the slope

**JEE-Main 2016**

**Sol.**(4)

According to Freundlich isotherm

(a) The diameter of the dispersed particles is much smaller than the wavelength of the ligh

used.

(b) The diameter of the dispersed particle is not much smaller than the wavelength of the light

used.

(c) The refractive indices of the dispersed phase and dispersion medium are almost similar in

magnitude.

(d) The refractive indices of the dispersed phase and dispersion medium differ greatly in

magnitude.

(1) (a) and (d)

(2) (b) and (d)

(3) (a) and (c)

(4) (b) and (c)

**JEE – Main – 2017**

**Sol.**(2)

As per NCERT book (fact)