AP ECET 2023 Syllabus for Chemistry

ANNEXURE - I
CHEMISTRY
(Common for all branches of Diploma in Engineering)

1. Atomic Structure: Introduction-Fundamental particles – Bohr’s theory – Quantum
numbers –– Aufbau principle – Hund’s rule – Pauli’s exclusion principle- Electronic
configurations of elements up to atomic number 20, shapes of s,p,d orbitals.

2. Chemical Bonding:
Introduction – types of chemical bonds – Ionic bond taking example of NaCl and MgO –
characteristics of ionic compounds and covalent bond taking example H2, O2 ,N2, HCl
characteristics of covalent compounds.

3. Solutions:
Introduction solution classification of solutions, solute, solvent, concentration, mole
concept–Molarity, –Normality, equivalent weight using acids, bases and salts, numerical
problems on Molarity and Normality.

4. Acids and Bases:
Introduction – theories of acids and bases – Arrhinus, Bronsted –Lowry theory – Lewis
acid base theory – Ionic product of water - PH and related numerical problems – buffers
solutions – Applications.

5. Electrochemistry:
Conductors, insulators, electrolytes – electrolysis –Faraday’s laws of electrolysis- numerical
problems – Galvanic cell – standard electrode potential – electro chemical series –emf and
numerical problems on emf of a cell.

6. Water Technology:
Introduction –soft and hard water – causes of hardness – types of hardness –disadvantages
of hard water – degree of Hardness, units and its relations– softening methods – per mutit
process – ion exchange process –qualities of drinking water – municipal treatment of water
for drinking purpose.

7. Corrosion:
Introduction - factors influencing corrosion - electrochemical theory of corrosion- composition
cell, stress cell and concentration cells– rusting of iron and its mechanism – prevention of
corrosion by a) coating methods, b) cathodic protection (sacrificial and impressive voltage
methods).

8. Polymers:
Introduction – polymerisation – types of polymerisation – addition, condensation
and co- polymerisation with examples – plastics – types of plastics – advantages of
plastics over traditional materials – Disadvantages of using plastics ,thermo plastics
and thermo stetting plastics– differences between thermo plastics and thermo
stetting plastics-preparation and uses of the following plastics : 1. Polythene 2. PVC
3. Teflon 4. Polystyrene 5. Urea formaldehyde –Rubber – natural rubber –
processing from latex –Vulcanization – Elastomers – Buna-s, Neoprene rubber and
their uses.

9. Fuels:
Definition and classification of fuels based on physical state and occurrence – characteristics
of good fuel - Extraction and Refining of petroleum - composition and uses of gaseous fuels.
A) water gas b) producer gas c) natural gas d) coal gas e) bio gas f) acetylene

10. Environmental chemistry
Introduction – environment –understand the terms lithosphere, hydrosphere, atmosphere bio
sphere, biotic component, energy component pollutant, receptor, sink, particulate, DO, BOD,
Threshold limit value, COD- Air pollution - causes-Effects – acid rain, green house effect –
ozone depletion – control of Air pollution – Water pollution – causes – effects – control
measures.

ANNEXURE - II
Number of Questions to be Set Unit Wise (TOTAL 25)

UNIT No Topic Marks

1. Atomic Structure 3

2. Chemical Bonding 2

3. Solutions 3

4. Acids and Bases 2

5. Electrochemistry 4

6. Water Technology 3

7. Corrosion 2

8. Polymers 3

9. Fuels 1

10. Environmental Chemistry 2

Total 25

ANNEXURE - III
MODEL QUESTIONS FOR CHEMISTRY

1. The normality of oxalic acid solution is found to be 0.05N. How many grams of
oxalic acid is present in 100 ml of solution.
1) 1.26
2) 12.6
3) 126
4) 0.126

2. Which of the following is responsible for temporary hardness of water
1) Ca CO3
2) Ca Cl2
3) Ca SO4
4) Ca (HCO3)2

3. The monomer of Rubber is----
1) Isoprene
2) Propene
3) Polyisoprene
4) Bakelite

4. Which one of the following is responsible for Global Warming
1) Particulate
2) Carbon dioxide
3) Hydrogen sulphide
4) Nitrous Oxide