Karnataka II PUC Chemistry Exam 2018: Important Topics and Exam Pattern

Karnataka II PUC Chemistry Exam Details

• Date: Mar 8, 2018
• Time: 10.15 am to 1.30 pm
• Duration: 3 hours and 15 minutes
• Total marks: 70
• Number of questions: 27



Karnataka II PUC Chemistry Exam Paper Pattern

I. Ten 1 mark questions carrying 10 marks
II. Answer any five of the eight 2 marks questions. Total marks allocated is 10.
III. Answer any five of the eight 3 marks questions. Total marks allocated is 15.
IV. Answer any three of the five 5 marks questions. Total marks allocated is 15.
V. Answer any four of the six 5 marks questions. Total marks allocated is 20.



Marking Scheme Based On The Typology Of Content

• Testing knowledge will comprise 40% of the questions. 43 marks are allocated for this.
• Explanation and interpretation-related questions to test your comprehension skills comprise 30% of the questions. 31 marks are allocated for this.
• Application-related questions comprise 20% of the questions, carrying 21 marks in total.
• 10% skill-based questions carrying 10 marks.

 

 



Marking Scheme Based On Difficulty Level

• Easy (40%) - 43 marks
• Average (40%) - 42 marks
• Difficult (20%) - 20 marks



Marking Scheme Based On Syllabus

• Physical Chemistry - 36
• Inorganic Chemistry - 28
• Organic Chemistry - 41



Important 1 Mark Topics For Karnataka II PUC Chemistry Exam

• Variation of molarity with temperature
• Collision frequency
• Example of Mond process
• Name vitamins and its deficiencies
• Adsorption types and definitions
• Types of solutions

 

 



Important 2 Marks Topics For Karnataka II PUC Chemistry Exam

• Difference between crystalline and amorphous solids
• Cathodic and anodic reactions
• Gaseous states
• Classification of colloids
• Anionic detergents with example



Important 3 Marks Topics For Karnataka II PUC Chemistry Exam

• Extraction of aluminium by Hall-Heroult process with diagram
• Balance equations
• Structure of acids
• Isomeric structures
• Coordination number
• Oxidation states



Important 5 Marks Topics For Karnataka II PUC Chemistry Exam (short answer - I)

• Calculation of packing efficiency in cubic lattice
• Electrolytic problems
• Solubility of gases
• Rate equations
• Arrhenius equation
• Entropy change



Important 5 Marks Topics For Karnataka II PUC Chemistry Exam (short answer II)

• Conversion of chemicals (Ex: methyl chloride to methyl alcohol)
• Kolbe's reaction
• Benzene and its structures
• Haworth structure of maltose
• Preparation of Buna N with equation
• Polymers