Karnataka 2nd PUC Chemistry Model Question Paper 2024: The Karnataka School Examination and Assessment Board, KSEAB will conduct the 2nd PUC or Class 12 Chemistry exam on March 15, 2024. Chemistry is the major subject for the students of the Science stream that plays a crucial role in enhancing their overall score in the board exams. To assist students in their preparation, the Karnataka School Examination and Assessment Board (KSEAB) has released the 2nd PUC Chemistry Model Question Paper 2024, providing valuable practice material and insights into the exam structure. We have provided the same official model paper here in PDF format. Students must download the Karnataka Board 2nd PUC Chemistry Model Question Paper and solve it for the last minute revision.
Important Instructions for Karnataka 2nd PUC Chemistry Exam 2024
Below are some of the important instructions to be kept in mind while solving the Karnataka 2nd PUC Chemistry paper 2024:
- Attempt all questions as per the specific instructions mentioned against them.
- Write balanced chemical equations and draw neat labelled diagrams and graphs wherever necessary. Direct answers to the numerical problems without detailed steps and specific unit for final answer will not carry any marks.
- Use log tables and simple calculator if necessary (use of scientific calculator is not allowed).
Pattern of Karnataka Board 2nd PUC Chemistry Question Paper 2024
Question paper will have FIVE parts with all parts being compulsory.
- Part-A(20 marks): Each question will carry 1 mark.
- Part-B (06 marks): Each question will carry 2 marks.
- Part-C (15 marks): Each question will carry 3 marks.
- Part-D (20 marks): Each question will carry 5 marks.
- Part-E (09 marks): Each question will carry 3 marks.
Note: In Part- A questions, the first attempted answers will be considered for awarding marks.
Check the model paper below:
Karnataka Board 2nd PUC Chemistry Model Question Paper 2024
PART - A
I.Select the correct option from the given choices. 1 ×15 = 15
1.Aquatic species are more comfortable in cold water rather than in warm water. This is due to
a)solubility of oxygen is more in warm water.
b)solubility of oxygen is more in cold water.
c)solubility of gases increases with decrease of temperature.
d)both (b) and (c).
2.Which of the following cell was used in Apollo space programme?
a)Mercury cell
b)Daniel cell
c)H2–O2 Fuel cell
d)Dry cell
3.During electrolysis of aqueous solution of NaCl, the reaction preferred at anode is
a)2H2O(l) → O2(g) + 4H+(aq) + 4e−
b)H2O(l) + e− → ½H2(g) + OH−
c)Cl−(aq) → ½Cl2(g) + e−
d)½ Cl2(g) + e− → Cl−(aq)
4.Order of a reaction is determined by
a)balanced chemical equation
b)unbalanced chemical reaction
c)experimental rate expression
d)thermo-chemical equation
5.Ionic character decreases in the following oxides.
a)Mn2O7> MnO2>MnO
b)MnO> MnO2> Mn2O7
c)Mn2O7>MnO> MnO2
d)MnO> Mn2O7> MnO2
6.The oxidation state of Fe in [Fe(CO)5] is
a)+ 2
b)0
c)+ 3
d)+ 5
7.The gases liberated when primary alcohols react with thionyl chloride are
a)SO2 and H2
b)H2 and HCl
c)SO2 and HCl
d)NO2 and H2
8.Phenol molecule is less stable than phenoxide ion because
a)phenol resonance structures have charge separation but not in phenoxide ion.
b)phenoxide ion resonance structures have charge separation but not in phenol.
c)both Phenoxide ion and phenol resonance structures have charge separation
d)both Phenoxide ion and phenol resonance structures do not have charge separation
9.Glycerol is an example for
a)dihydric alcohol
b)dihydric phenol
c)trihydric phenol
d)trihydric alcohol
10.Tollen’s reagent is a
a)silver nitrate solution
b)ammonical silver nitrate solution
c)ammonium nitrate solution
d)silver chloride solution
To check all questions, download the full model paper below:
Karnataka Board 2nd PUC Chemistry Model Paper 2024 PDF |
Related:
Karnataka Board 2nd PUC Model Papers 2024 (All Subjects)
Karnataka Board 2nd PUC Date Sheet 2024
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