Previous Year Question Papers for Class 12 Chemistry
Explore authentic exam materials through the CBSE Class 12 Chemistry Question Paper SA 2 2013 Set 01. Tailored for Class 12 learners, utilizing these Chemistry previous year papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.
Practice Class 12 Chemistry Exam Papers
Access the complete question paper PDF for Class 12 Chemistry below. Regular practice with these targeted exam papers builds familiarity with standard question patterns and helps secure higher marks in final evaluations.
CBSE Class 12 Chemistry Question Paper SA 2 2013 (1). Students can download the last year question papers using the link below.Free download of examination question papers with solutions.Last 10 year question papers should be practised to get better marks in examinations.
1. Write down the electronic configuration of
(a) Cr3+ (b) Cu+ (c) Co2+ (d) Mn2+
2. Why are Mn2+ compounds more stable than Fe2+ towards oxidation to their +3 state?
3. Explain briefly how +2 oxidation state becomes more and more stable in the first half of the first row transition elements with increasing atomic number.
4. To what extent do the electronic configurations decide the stability of oxidation states in the first series of the transition elements is? Illustrate your answer with an example.
5. What must be the stable oxidation state of the transition elements with the following electronic configuration in the ground states of their atoms: 3d3, 3d5, 3d8, 3d4?
6. Which one is a stronger reducing agent Cr2+ or Fe2+? Why.
7. What is lanthanoid contraction? What are the consequences of lanthanoid contraction?
8. What are the characteristics of transition elements and why are they called transition elements? Which of the d – block element may not be regarded as the transition elements?
9. In what way is the electronic configuration of the transition elements different from that of the non – transition elements?
10. Explain giving reasons?
(a) Transition metals and many of their compounds show paramagnetic behaviour
(b) Transition metals have high enthalpy of atomisation.
(c) The transition metals generally form coloured compounds.
(d) Transitional metals and their many compounds act as good catalysis.
11. What are interstitial compounds? Why are such compounds well known for transition metals?
12. How is variability in oxidation states of transition metals different from that of non – transition metals? Illustrate with examples.
13. Describe the preparation of potassium dichromate from iron chromite ore. What is the effect of increasing pH on a solution of potassium dichromate?
14. Why Cu+ ion is not stable in aqueous solution.
Please click the link below to download pdf file of CBSE Class 12 Chemistry Question Paper SA 2 2013 (1).
Free study material for Chemistry
CBSE Class 12 Chemistry Question Paper SA 2 2013 Set 01 & Previous Year Question Papers for Class 12 Chemistry
Download CBSE Class 12 Chemistry Question Paper SA 2 2013 Set 01 for Class 12 Chemistry
Access structured past examination sets for Class 12 Chemistry. Solving the CBSE Class 12 Chemistry Question Paper SA 2 2013 Set 01 provided above helps students understand actual exam difficulty levels, question formats, and topic distributions for both descriptive and objective sections.
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FAQs
The CBSE Class 12 Chemistry Question Paper SA 2 2013 Set 01 is available for download on StudiesToday.com. It includes complete set with all sections so that Class 12 students can practice with the exact same paper that came in the CBSE exams.
Yes, the solutions for CBSE Class 12 Chemistry Question Paper SA 2 2013 Set 01 are prepared by subject matter experts as per official marking scheme. Class 12 students will understand the structure of answers and 'step-marks' methodology Chemistry.
Solving previous year papers like CBSE Class 12 Chemistry Question Paper SA 2 2013 Set 01 is important to understand repeat themes and question difficulty levels of Chemistry. It helps Class 12 students to test their time management skills too.
Yes, where applicable, CBSE Class 12 Chemistry Question Paper SA 2 2013 Set 01 is available in both English and Hindi mediums. All students from Class 12 can access Chemistry study material in their preferred language.
No, all previous year question papers on StudiesToday, including CBSE Class 12 Chemistry Question Paper SA 2 2013 Set 01, are provided free of charge in mobile-friendly PDF.