UP Board Class 12 Chemistry Question Paper (March 4, Code 347 CE) Available: Download Solution PDF with Answer Key

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Shivam Yadav

Updated on - Nov 24, 2025

UP Board Class 12 Chemistry Question Paper with Answer Key Code 347 CE is available for download. The exam was conducted by the Uttar Pradesh Madhyamik Shiksha Parishad (UPMSP) . The medium of paper was English and Hindi. In terms of difficulty level, UP Board Class 12 Chemistry paper was Easy. The question paper comprised a total of 9 questions.

UP Board Class 12 Chemistry (Code 347 CE) Question Paper with Solutions PDF


UP Board Class 12 Chemistry (Code 347 CE) Question Paper with Solutions PDF
Question 1:

Potassium sulphate is:

  • (A) Ionic solid
  • (B) Metallic solid
  • (C) Covalent solid
  • (D) Molecular solid

Question 2:

How many moles of water are present in 180 g of water?

  • (A) 1 mole
  • (B) 18 moles
  • (C) 10 moles
  • (D) 100 moles

Question 3:

The rate constant of a reaction A + 2B \(\longrightarrow\) Product is expressed by the equation \(R = [A][B]^2\). The molecularity of reaction will be:

  • (A) 2
  • (B) 3
  • (C) 5
  • (D) 6

Question 4:

On Cannizzaro’s reaction formaldehyde forms:

  • (A) Methane
  • (B) Methyl alcohol
  • (C) Methyl cyanide
  • (D) Ethyl amine

Question 5:

R–NH\(_2\) + CHCl\(_3\) + 3KOH (alc.) \(\longrightarrow\) RNC + 3KCl + 3H\(_2\)O. The above reaction is:

  • (A) Coupling reaction
  • (B) Carbylamine reaction
  • (C) Hoffmann bromamide reaction
  • (D) Schmidt reaction

Question 6:

How many primary alcoholic groups are present in glucose?

  • (A) One
  • (B) Two
  • (C) Three
  • (D) Four

Question 7:

Define packing efficiency.


Question 8:

Write the chemical equation for the reactions of chlorine with (i) sulphur dioxide, and (ii) turpentine oil.


Question 9:

When a copper rod is dipped into silver nitrate solution, why does the colour of the solution turn blue? Explain.


Question 10:

Explain Schottky defect.

  • (A) It reduces the density of the crystal.
  • (B) It maintains electrical neutrality because both cations and anions are missing in equal numbers.

Question 11:

Define packing efficiency.


Question 12:

Write the chemical equation for the reactions of chlorine with (i) sulphur dioxide, and (ii) turpentine oil.


Question 13:

Find out the oxidation number of Copper (Cu) in the following coordination compound: [Cu(NH\(_3\))\(_4\)]SO\(_4\).


Question 14:

Write the chemical equation of the reaction of glucose with bromine water.


Question 15:

Write Nernst equation and its one application.


Question 16:

Differentiate between Lyophilic and Lyophobic colloids.


Question 17:

Write a short note on Acetylation.


Question 18:

Write a short note on denaturation of proteins.


Question 19:

Find the osmotic pressure of \(\dfrac{M}{10}\) urea solution at 27\(^\circ\)C. (R = 0.0821 litre atm K\(^{-1}\) mol\(^{-1}\))


Question 20:

The initial concentration of N\(_2\)O\(_5\) in the following first order reaction \(N_2O_5(g) \longrightarrow 2NO_2(g) + \tfrac{1}{2} O_2(g)\) was \(1.24 \times 10^{-2}\) mol L\(^{-1}\) at 318 K. The concentration of N\(_2\)O\(_5\) after 60 minutes was \(0.20 \times 10^{-2}\) mol L\(^{-1}\). Calculate the rate constant of the reaction at 318 K.


Question 21:

Write four characteristics of transition elements.


Question 22:

Write a short note on IUPAC system of nomenclature of coordination compounds.


Question 23:

Write chemical equation for the preparation of ozone and its three oxidizing properties.


Question 24:

What is Aqua Regia? What happens when aqua regia reacts with (i) Gold, and (ii) Platinum.


Question 25:

Write chemical equations of two methods of preparation of monohydric alcohol and also write chemical equation of the reactions of ethyl alcohol with conc. sulphuric acid (H\(_2\)SO\(_4\)) at different temperatures.


Question 26:

Write short notes on the following:

  • (i) Reimer–Tiemann reaction
  • (ii) Kolbe reaction

Question 27:

How will you obtain the following from Chlorobenzene? (Write only chemical equations)

  • (i) Picric Acid
  • (ii) Dichlorobenzene
  • (iii) Chlorobenzene Sulphonic Acid

Question 28:

Write a short note on Nucleophilic substitution reactions in haloalkanes.


Question 29:

How will you obtain Benzoic Acid from the following?

  • (i) Toluene
  • (ii) Benzamide
  • (iii) Ethyl benzoate

Question 30:

Write short notes on the following:

  • (i) Aldol condensation
  • (ii) Decarboxylation
  • (iii) Cannizzaro reaction
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