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Physical Chemistry

Some Basic Concepts of Chemistry

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Structure of Atom

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Redox Reactions

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Gaseous State

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Chemical Equilibrium

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Ionic Equilibrium

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Solutions

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Thermodynamics

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Chemical Kinetics and Nuclear Chemistry

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Electrochemistry

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Solid State

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Surface Chemistry

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Inorganic Chemistry

Periodic Table & Periodicity

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Chemical Bonding & Molecular Structure

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Isolation of Elements

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Hydrogen

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s-Block Elements

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p-Block Elements

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d and f Block Elements

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Coordination Compounds

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Salt Analysis

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Organic Chemistry

Basics of Organic Chemistry

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Hydrocarbons

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Haloalkanes and Haloarenes

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Alcohols, Phenols and Ethers

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Aldehydes, Ketones and Carboxylic Acids

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Compounds Containing Nitrogen

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Polymers

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Biomolecules

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Chemistry in Everyday Life

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Practical Organic Chemistry

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1

JEE Advanced 2017 Paper 2 Offline

MCQ (More than One Correct Answer)

+4

-1

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

A

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

B

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

C

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

D

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

2

JEE Advanced 2015 Paper 2 Offline

MCQ (More than One Correct Answer)

+4

-2

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)

A

O₂ is physisorbed

B

Heat is released

C

Occupancy of $$\pi _{2p}^*$$ of O₂ is increased

D

Bond length of O₂ is increased

3

IIT-JEE 2012 Paper 2 Offline

MCQ (More than One Correct Answer)

+4

-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 - Surface Chemistry Question 7 English 1

IIT-JEE 2012 Paper 2 Offline Chemistry - Surface Chemistry Question 7 English 2

IIT-JEE 2012 Paper 2 Offline Chemistry - Surface Chemistry Question 7 English 3

IIT-JEE 2012 Paper 2 Offline Chemistry - Surface Chemistry Question 7 English 4

A

I is physisorption and II is chemisorption.

B

I is physisorption and III is chemisorption.

C

IV is chemisorption and II is chemisorption.

D

IV is chemisorption and III is chemisorption.

4

IIT-JEE 2012 Paper 1 Offline

MCQ (More than One Correct Answer)

+2

-0.5

Choose the correct reason for the stability of the Iyophobic colloidal particles

A

Preferential adsorption of ions on their surface from the solution

B

Preferential adsorption of solvent on their surface from the solution

C

Attraction between different particles having opposite charges on their surface

D

Potential difference between the fixed layer and the diffused layer of opposite charges around the colloidal particles.

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