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Eamcet Chemistry
Lessons
1 st Year: Unit 1.1(Basics & Concepts) - Weights & Mole concepts
1st Year : Unit 1.2 (Basics & Concepts) - Emperical & Molecular Formula
1st Year : Unit 1.3 (Basics & Concepts) - Stoichiometry
1st Year : Unit 1.4 (Basics & Concepts) - Stoichiometric Calculations
1st year Unit - 2 Atomic Structure
1st year : unit 2.1(Atomic Structure)-Introduction, Fundamental Particles
1st year :unit2.2(Atomic Structure)-De-Broglie Wave Theory
1st year:unit2.3(Atomic Structure)-Electronic Configuration
1st year:unit2.4( Atomic Structure)-Spectra, Hydrogen Spectrum, Bohr's Model
1st year :unit2.5(Atomic Structure)-Quantum Mechanical Model of Atom
1st year:unit2.6( Atomic Structure)-Nature of Electro Magnetic Radiation
Unit - 3 Periodic Classification - Periodic Classification of Elements
Unit - 3 Periodic Classification -Modern Periodic TableElectron Affinity
Unit - 3 Periodic Classification -Periodicity - Periodic Properties,Atomic Radius
Unit - 3 Periodic Classification -Electron Affinity
Unit - 3 Periodic Classification-Ionization Energy
Unit - 3 Periodic Classification -Valency
Unit - 4 Chemical Bonding -Chemical Bonding
Unit - 4 Chemical Bonding -IonicBond Hydrogen Bond
Unit - 4 Chemical Bonding-Polarity of Bonds
Unit - 4 Chemical Bonding -Hybridisation
Unit - 4 Chemical Bonding -Coordinate Covalent Bond
Unit - 4 Chemical Bonding -Bond Characteristics
Unit - 4 Chemical Bonding -Vsepr Theroy,Valence Bond Theory, Characteristic of Covalent Compounds
Unit - 4 Chemical Bonding -Molecular Orbital Theory
Unit - 4 Chemical Bonding -Hydrogen Bond
Unit - 5 States of Matter -States of Matter
Unit - 5 States of Matter -Graham's Law of Diffusion
Unit - 5 States of Matter -Kinetic Molecular Model of Gas
1 st Year : Unit 5.5(States of Matter ) - The Liquied State
1 st Year : Unit 5.4 ( States of Matter ) - Real Gases
1 st Year : Unit 6.1 (Thermo Dynamics ) - Thermodynamics-1
1 st Year : Unit 6.2 (Thermo Dynamics ) - Thermodynamics-2
1 st Year : Unit 7.1 ( Chemical Equilibrium ) -Chemical Equilibrium-1
1 st Year : Unit 7.2 ( Chemical Equilibrium ) -Chemical Equilibrium-2
1 st Year : Unit 7.3 ( Chemical Equilibrium ) -Chemical Equilibrium-3
1 st Year : Unit 7.4 ( Chemical Equilibrium ) -Chemical Equilibrium-4
1 st Year : Unit 8.1 ( Red-Ox reactions ) - Red-Ox reactions
1 st Year : Unit 9.1 ( Hydrogen And its Compounds ) - Hydrogen And its Compounds
1 st Year : Unit 10.1 ( S-Block Elements ) - Alkali Metals
1 st Year : Unit 10.2 ( S-Block Elements ) - Alkaline Earth Metals
1 st Year : Unit 11.1 ( P-Block Elements) - P-Block Elements
1 st Year : Unit 12.1 ( Organic Chemistry ) - Organic Chemistry
1 st Year : Unit 13.1 ( Hydrocarbons ) - Hydrocarbons
1 st Year : Unit 14.1 ( Environmental Chemistry ) - Environmental Chemistry - 1
1 st Year : Unit 14.2 ( Environmental Chemistry ) - Environmental Chemistry - 2
2 nd Year : Unit 1.1 ( Solid State ) - Solid State - I
2 nd Year : Unit 1.2 ( Solid State ) - Solid State – II
2 nd Year : Unit 3.1 ( Electro Chemistry ) - Electro Chemistry -1
2 nd Year : Unit 3.2 ( Electro Chemistry ) - Electro Chemistry -2
2 nd Year : Unit 3.3 ( Electro Chemistry ) - Electro Chemistry -3
2 nd Year : Unit 2.1 ( Solutions ) - Solution 1
2 nd Year : Unit 2.2 ( Solutions ) - Solution 2
2 nd Year : Unit 4.1 ( Chemical Kinetics ) - Chemical Kinetics
2 nd Year : Unit 5.1 ( Surface Chemistry ) - Surface Chemistry
2 nd Year : Unit 6.1 ( General Principles of Metallurgy ) - General Principles of Metallurgy
2 nd Year : Unit 7.1 ( Block Elements ) - VA Group Elements
2 nd Year : Unit 7.2 ( Block Elements ) - VIA Group Elements
2 nd Year : Unit 7.3 ( Block Elements ) - VIIA Group Elements
2 nd Year : Unit 8.1 ( D & F-Block Elements ) - D & F-Block Elements
2 nd Year : Unit 9.1 ( Coordinate Compounds ) - Coordinate Compounds
2 nd Year : Unit 10.1 ( Halo Alkanes And Haloarenes ) - Halo Alkanes And Haloarenes
2 nd Year : Unit 11.1 ( Alcohols, Phenols And Ethers ) - Alcohols, Phenols And Ethers
2 nd Year : Unit 12.1 ( Aldehydes, Ketones And Carboxylic Acids ) - Aldehydes, Ketones And Carboxylic Acids
2 nd Year : Unit 13.1 ( Organic Compounds Containing Nitrogen ) - Organic Compounds Containing Nitrogen
2 nd Year : Unit 14.1 ( Biomolecules ) - Biomolecules
2 nd Year : Unit 15.1 ( Polymers ) - Polymers
2 nd Year : Unit 16.1 ( Chemistry in Everday Life ) - Chemistry in Everday Life
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Eamcet Chemistry
1st Year : Unit 1.4 (Basics & Concepts) - Stoichiometric Calculations
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Q.
A gas mixture contains acetylene and carbondioxide. 20 lit of this mixture requires 20 lit of oxygen under the same conditions for complete combustion. The percentage by volume of carbondioxide. in the mixture is
A.
50%
B.
40%
C.
60%
D.
75%
E.
None of the above
View Answer
Correct choice: C
Explanation:
CO
2
is not combustable. If vol of C
2
H
2
=x then vol. of CO
2
=20-x
2 C
2
H
2
+ 5O
2
→ 4 CO
2
+2H
2
O
2 vol.of acetylene reacts with 5 vol.of oxygen
2lit of acetylene reacts with 5 lit .of oxygen
? of acetylene reacts with 20 lit .of oxygen
Vol. of acetylene =(20X2/5)=8lit
Vol.of CO
2
in the mixture= 20-8 =12lit
Vol% of Co
2
= ( 12X100/20)=60%
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