JEE Advanced 2017 Paper 2 Offline | Solid State & Surface Chemistry Question 9 | Chemistry

JEE Advanced 2017 Paper 2 Offline

MCQ (More than One Correct Answer)

-1

The correct statement(s) about surface properties is (are)

Adsorption is accompanied by decrease in ethalpy and decrease in entropy of the system

The critical temperatures of ethane and nitrogen are $$563$$ $$K$$ and $$126$$ $$K,$$ respectively. The adsorption of ethane will be more than that of nitrogen on same amount of activated charcoal at a given temperature

Cloud is an emulsion type of colloid in which liquid is dispersed phase and gas is dispersion medium

Brownian motion of colloidal particles does not depend on the size of the particles but depends on viscosity of the solution

JEE Advanced 2016 Paper 2 Offline

MCQ (More than One Correct Answer)

-2

The CORRECT statement(s) for cubic close packed (ccp) three dimensional structure is (are) :

The number of the nearest neighbours of an atom present in the topmost layer is 12

The efficiency of an atom packing is 74%

The number of octahedral and tetrahedral voids per atom are 1 and 2, respectively

The unit cell edge length is $$2 \sqrt 2$$ times the radius of the atom

JEE Advanced 2015 Paper 1 Offline

MCQ (More than One Correct Answer)

-2

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 fraction of tetrahedral holes occupied by magnesium ions, m and n, respectively, are

1/2, 1/8

1, 1/4

1/2, 1/2

1/4, 1/8

IIT-JEE 2012 Paper 2 Offline

MCQ (More than One Correct Answer)

-2

The given graphs/data I, II, III and IV represent general trends observed for different physisorption and chemisorption processes under mild conditions of temperature and pressure. Which of the following choice(s) about I, II, III and IV is(are) correct?

IIT-JEE 2012 Paper 2 Offline Chemistry - Solid State & Surface Chemistry Question 12 English 1

IIT-JEE 2012 Paper 2 Offline Chemistry - Solid State & Surface Chemistry Question 12 English 2

IIT-JEE 2012 Paper 2 Offline Chemistry - Solid State & Surface Chemistry Question 12 English 3

IIT-JEE 2012 Paper 2 Offline Chemistry - Solid State & Surface Chemistry Question 12 English 4

I is physisorption and II is chemisorption.

I is physisorption and III is chemisorption.

IV is chemisorption and II is chemisorption.

IV is chemisorption and III is chemisorption.

PREVIOUS NEXT

JEE Advanced Subjects