Solid State & Surface Chemistry · Chemistry · JEE Advanced

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MCQ (Single Correct Answer)

JEE Advanced 2023 Paper 2 Online
Consider the following statements related to colloids. (I) Lyophobic colloids are not formed by simple mixing of dispersed phase and dispersion medium...
JEE Advanced 2022 Paper 2 Online
Atom $\mathrm{X}$ occupies the fcc lattice sites as well as alternate tetrahedral voids of the same lattice. The packing efficiency (in %) of the resu...
JEE Advanced 2021 Paper 1 Online
For the given close packed structure of a salt made of cation X and anion Y shown below (ions of only one face are shown for clarity), the packing fra...
JEE Advanced 2013 Paper 1 Offline
Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at 25oC. For this process, the correct statement is
JEE Advanced 2013 Paper 1 Offline
The arrangement of X$$-$$ ions around A+ ion in solid AX is given in the figure (not drawn to scale). If the radius of X$$-$$ is 250 pm, the radius of...
IIT-JEE 2012 Paper 1 Offline
A compound MpXq has cubic close packing (ccp) arrangement of X. Its unit cell structure is shown below. The empirical formula of the compound is ...
IIT-JEE 2009 Paper 1 Offline
Among the electrolytes Na$$_2$$SO$$_4$$, CaCl$$_2$$, Al$$_2$$(SO$$_4$$)$$_3$$ and NH$$_4$$Cl, the most effective coagulating agent for Sb$$_2$$S$$_3$$...
IIT-JEE 2008 Paper 2 Offline
Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is:
IIT-JEE 2008 Paper 2 Offline
The number of atoms in this HCP unit cell is :
IIT-JEE 2008 Paper 2 Offline
The volume of this HCP unit cell is :
IIT-JEE 2008 Paper 2 Offline
The empty space in this HCP unit cell is :

MCQ (More than One Correct Answer)

JEE Advanced 2023 Paper 2 Online
Atoms of metals $\mathrm{x}, \mathrm{y}$, and $\mathrm{z}$ form face-centred cubic (fcc) unit cell of edge length $\mathrm{L}_{\mathrm{x}}$, body-cent...
JEE Advanced 2022 Paper 1 Online
The correct option(s) related to adsorption processes is(are)
JEE Advanced 2021 Paper 1 Online
The correct statement(s) related to colloids is (are)
JEE Advanced 2020 Paper 1 Offline
The cubic unit cell structure of a compound containing cation M and anion X is shown below. When compared to the anion, the cation has smaller ionic r...
JEE Advanced 2017 Paper 2 Offline
The correct statement(s) about surface properties is (are)
JEE Advanced 2016 Paper 2 Offline
The CORRECT statement(s) for cubic close packed (ccp) three dimensional structure is (are) :
JEE Advanced 2015 Paper 2 Offline
When O2 is adsorbed on a metallic surface, electron transfer occurs from the metal to O2. The true statement(s) regarding this adsorption is(are)...
JEE Advanced 2015 Paper 1 Offline
If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n ...
IIT-JEE 2012 Paper 2 Offline
The given graphs/data I, II, III and IV represent general trends observed for different physisorption and chemisorption processes under mild condition...
IIT-JEE 2012 Paper 1 Offline
Choose the correct reason for the stability of the Iyophobic colloidal particles
IIT-JEE 2011 Paper 1 Offline
The correct statement(s) pertaining to the adsorption of a gas on a solid surface is (are)
IIT-JEE 2009 Paper 1 Offline
The correct statement(s) regarding defects in solids is (are)

Numerical

JEE Advanced 2018 Paper 1 Offline
Consider an ionic solid $$MX$$ with $$NaCl$$ structure. Construct a new structure $$(Z)$$ whose unit cell is constructed from the unit cell of $$MX$$ ...
JEE Advanced 2017 Paper 1 Offline
A crystalline solid of a pure substance has a face-centered cubic structure with a cell edge of $$400$$ $$pm.$$ If the density of the substance in the...
IIT-JEE 2011 Paper 2 Offline
The number of hexagonal face that present in a truncated octahedron is
IIT-JEE 2009 Paper 2 Offline
The coordination number of Al in the crystalline state of AlCl$$_3$$ is ___________.

Subjective

IIT-JEE 2004
A compound AB has rock salt type structure. The formula weight of AB is 6.023 Y amu, and the closest A - B distance is Y1/3 nm, where Y is an arbitrar...
IIT-JEE 2003
1 gm of charcoal adsorbs 100 ml 0.5 M CH3COOH to form a monolayer, and thereby the molarity of CH3COOH reduces to 0.49. Calculate the surface area of ...
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