UP Board Class 12 Chemistry 2026 Set 347 ED Question Paper with Solution
Content Curator | Updated On - Jul 10, 2026
The UP Board Class 12 Chemistry Question Paper 2026 (Set 347 ED) is now free to download on Zollege, together with step-by-step solutions to all 26 questions. This paper was conducted by the Uttar Pradesh Madhyamik Shiksha Parishad (UPMSP) on 25 February 2026 in the afternoon shift. Pick up the PDF from the table below and check every answer with fully worked steps.
| UP Board Class 12 Chemistry 2026 (Set 347 ED) Question Paper with Solution PDF | Download PDF | Check Solutions |
UP BOARD CLASS 12 CHEMISTRY 2026 SET 347 ED WITH SOLUTIONS Questions with Solutions
Read the following assertion and reason and choose the correct alternative.
Assertion: Osmotic pressure is a colligative property.
Reason: Osmotic pressure is directly proportional to molarity at a given temperature.
Which of the following ions forms coloured solution?
Which type of isomerism exists between the complexes [CoBr(NH3)5]SO4 and [CoSO4(NH3)5]Br?
The reagent which does NOT react with both acetone and benzaldehyde is
When aniline is heated with CHCl3 in the presence of KOH, the product formed is
α-D(+)glucose and β-D(+)glucose are
Aqueous solution of sodium chloride boils at higher temperature than water, but it freezes at lower temperature than water. Explain with reason.
Mention the different steps for the preparation of potassium dichromate from iron chromite ore and draw the structure of dichromate ion.
Write IUPAC names of the following coordination compounds:
(i) [PtCl2(en)2](NO3)2
(ii) [Cr(NH3)6][Co(CN)6]
Explain the mechanism of bimolecular nucleophilic substitution (SN2) reaction of alkyl halide.
Define molality and molarity.
Explain why phenol is more acidic than ethyl alcohol.
Write the chemical equations when an aldehyde reacts with the following: (i) Tollen's reagent (ii) Fehling's reagent. (1+1=2)
Write a short note on the structure of nucleic acid. (2)
(i) Explain Henry's law. (ii) 200 ml of an aqueous solution of a protein contains 1.26 g of protein. The osmotic pressure of such a solution at 300 K is found to be 2.57 × 10-3 bar. Calculate the molar mass of the protein. (1+2=3)
Describe the charging and discharging mechanism of lead storage battery with the help of chemical reactions. (1½+1½=3)
Derive the integrated rate equation for first order reaction. Show that half life period for this reaction does not depend on initial concentration of the reactants. (2+1=3)
Compare the lanthanoid and actinoid elements with reference to the following: (i) Atomic and ionic sizes (ii) Oxidation state. (1½+1½=3)
(i) Define molar conductance of the solution of an electrolyte and discuss its change with the concentration.
(ii) Calculate the electromotive force (EMF) of the following cell:
\( \text{Ni(s)} \mid \text{Ni}^{2+}(0.16\,M) \parallel \text{Ag}^{+}(0.002\,M) \mid \text{Ag(s)} \)
(Given: \( E^{\circ}_{cell} = 1.05\,V \), \( \log_{10}2 = 0.3010 \))
A first order reaction takes 10 min for 20% decomposition. Calculate the time taken for the reaction to go to 80% decomposition. (Given, \( \log_{10}2 = 0.3010 \))
(i) Discuss the violet colour of the complex \( [\text{Ti}(\text{H}_2\text{O})_6]^{3+} \) on the basis of crystal field theory.
(ii) Explain with reason that \( [\text{NiCl}_4]^{2-} \) is paramagnetic while \( [\text{Ni}(\text{CN})_4]^{2-} \) is diamagnetic.
Explain the following in relation to proteins:
(i) Peptide bond
(ii) Denaturation
Write short notes on the following: (i) Coupling reaction (ii) Sandmeyer reaction (iii) Friedel-Craft reaction. (2+1½+1½=5)
OR
Write chemical equations for obtaining the following from benzene diazonium chloride: (i) Phenyl cyanide (ii) Bromobenzene (iii) Nitrobenzene (iv) p-hydroxyazobenzene (v) p-Aminoazobenzene. (1+1+1+1+1=5)
(i) Explain the mechanism of the formation of ethanol by acid catalyzed hydration of ethene. (ii) Explain hydroboration-oxidation reaction with an example. (2½+2½=5)
OR
What happens when? (Write chemical equations only) (i) Ethyl bromide reacts with sodium ethoxide. (ii) Phenol is heated with conc. HNO3 in the presence of conc. H2SO4. (iii) Methoxybenzene is heated with acetyl chloride in the presence of anhydrous AlCl3. (iv) Phenol reacts with chloroform in the presence of aqueous NaOH. (v) Ethyl methyl ether is heated with conc. HI. (1+1+1+1+1=5)
(a) Write short notes on the following: (i) Cannizzaro's reaction (ii) Aldol condensation (iii) Gattermann-Koch reaction. (2+1½+1½=5)
OR
How will you obtain (write chemical equations only): (i) Benzaldehyde from Toluene (ii) Benzamide from Benzoic acid (iii) Phthalimide from Phthalic acid (iv) m-nitrobenzaldehyde from Benzaldehyde (v) Benzaldehyde from Benzene. (1+1+1+1+1=5)
(b) (i) Describe any one method for the identification of primary, secondary and tertiary amines. Also write the chemical reactions. (ii) Write a short note on Gabriel Phthalimide Synthesis. (3+2=5)
OR
How will you obtain (write chemical equations only): (i) Benzene diazonium chloride from Aniline (ii) Methylamine from Acetamide (iii) Aniline from Nitrobenzene. (2+1½+1½=5)
UP Board Class 12 Chemistry 2026 Set 347 ED Paper Structure and Marks Split
The Chemistry theory paper is worth 70 marks and runs for 3 hours 15 minutes, with a separate 30-mark practical component. Set 347 ED opens with quick objective items and builds up to full-length answers that carry internal choice, so managing time across sections is key. Here is how the 26 questions and marks are spread.
- Multiple choice (Question 1, parts a to f): 6 objective questions of 1 mark each on coordination compounds, colour of ions, isomerism and organic reagents.
- Short answer (2 marks): two-mark questions on colligative properties, phenol acidity, IUPAC naming and the SN2 mechanism.
- Longer answer (3 and 4 marks): derivations and numericals from chemical kinetics, electrochemistry, d and f block elements and biomolecules.
- Long answer (Questions 6 and 7, 5 marks each): two big questions with an internal OR choice covering aldehydes, amines and the reactions of the organic unit.
Chemical kinetics, electrochemistry, coordination compounds and the organic reaction chapters carry the most marks in this set, so revise those first.
Source: RWA Tuition Classes
How to Practise With This Solved Chemistry Paper
Use Set 347 ED as a timed mock before you look at any answer, then open the Zollege solutions to correct yourself. Each solution names the concept or equation first and then works through it, so you can see exactly where a mark was lost.
- Attempt all 26 questions in one sitting under the real 3 hour 15 minute limit.
- Score yourself against the step-by-step solutions and flag the topics that cost you marks.
- Redo every numerical, such as the first-order kinetics and molar conductance sums, without looking before moving on.
UP Board Class 12 Chemistry 2026 Question Paper FAQs
Ques. When was the UP Board Class 12 Chemistry 2026 exam held?
Ans. The UPMSP conducted the Class 12 Chemistry theory paper on 25 February 2026 in the afternoon shift, from 2:00 PM to 5:15 PM.
Ques. How many marks is the UP Board Class 12 Chemistry theory paper?
Ans. The theory paper carries 70 marks over 3 hours 15 minutes, with a further 30 marks set aside for the practical exam.
Ques. How many questions are in the Set 347 ED Chemistry paper?
Ans. Set 347 ED has 26 questions, starting with six 1-mark multiple choice items and moving through 2, 3, 4 and 5-mark answer questions across the full Class 12 Chemistry syllabus.
Ques. Can I download the solved Chemistry paper for free on Zollege?
Ans. Yes. The complete question paper with step-by-step solutions is free to download from the table above on Zollege.
Ques. Which chapters carry the most marks in this Chemistry paper?
Ans. Chemical kinetics, electrochemistry, coordination compounds and the organic reaction chapters are the highest-weightage areas in Set 347 ED, so prioritise them while revising.
*The article might have information for the previous academic years, please refer the official website of the exam.