CUET Chemistry Question Paper 2025 June 2 (Available)- Download Answer Key and Solution PDF

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Shivam Yadav

Updated 3+ months ago

The CUET Chemistry Question Paper 2025 with Answer Key and Solution PDF is available here for download. The CUET 2025 exam was conducted from 13th May to 3rd June. The CUET Chemistry paper was moderate to difficult in the difficulty level.

As per the exam pattern, the CUET Chemistry exam consists of 50 questions for 250 marks to be attempted in 60 minutes. 5 marks are awarded for each correct answer, and 1 mark is deducted for incorrect answer.

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CUET Chemistry Question Paper 2025 with Answer Key

CUET Chemistry Question Paper 2025 Download PDF  Check Solution
CUET 2025 Chemistry Question Paper with Solutions  June 2

Question 1:

How many molecules are present in 11.2 L of CO2 at STP?

  • (1) \(6.022 \times 10^{22}\)
  • (2) \(3.011 \times 10^{23}\)
  • (3) \(6.022 \times 10^{23}\)
  • (4) \(3.011 \times 10^{22}\)

Question 2:

Which metal is extracted by electrolytic reduction?

  • (1) Zinc
  • (2) Iron
  • (3) Sodium
  • (4) Copper

Question 3:

Which of the following is an example of an \textbf{addition reaction}?

  • (1) Ethene + Br2 \( \rightarrow \) 1,2-dibromoethane
  • (2) Ethanol \( \rightarrow \) Ethene + H2O
  • (3) CH4 + Cl2 \( \rightarrow \) CH3Cl + HCl
  • (4) Benzene + Br2 \( \rightarrow \) Bromobenzene

Question 4:

A compound contains 40% carbon, 6.7% hydrogen, and 53.3% oxygen by mass. What is its empirical formula?

(Atomic masses: C = 12, H = 1, O = 16)

  • (1) CH2O
  • (2) C2H4O2
  • (3) C3H6O3
  • (4) C2H2O

Question 5:

A gas occupies 500 mL at 1 atm pressure. What will be its volume at 2 atm, temperature constant?

  • (1) 250 mL
  • (2) 500 mL
  • (3) 1000 mL
  • (4) 750 mL

Question 6:

For the reaction \( N_2 + 3H_2 \rightleftharpoons 2NH_3 \), if equilibrium concentrations are:
\([ N_2 ] = 0.5\, M, \, [ H_2 ] = 1.5\, M, \, [ NH_3 ] = 1.0\, M \)

What is the value of \( K_c \)?

  • (1) 0.44
  • (2) 1.2
  • (3) 2.96
  • (4) 0.593

Question 7:

What is the \( n \)-factor of KMnO4 in acidic medium?

  • (1) 2
  • (2) 3
  • (3) 5
  • (4) 7

Question 8:

The enthalpy of combustion of methane is \(-890 \, kJ/mol\). What is the enthalpy change when 8 g of methane is burned?

(Molar mass = 16 g/mol)

  • (1) \(-890 \, kJ\)
  • (2) \(-445 \, kJ\)
  • (3) \(-222.5 \, kJ\)
  • (4) \(-556 \, kJ\)

Question 9:

What is the percentage of carbon in ethanol (C\textsubscript{2}H\textsubscript{5}OH)?

(Atomic masses: C = 12, H = 1, O = 16)

  • (1) 52.2%
  • (2) 40.0%
  • (3) 60.0%
  • (4) 46.1%

Question 10:

Given:
\( E^\circ_{Zn^{2+}/Zn} = -0.76 \, V \)
\( E^\circ_{Cu^{2+}/Cu} = +0.34 \, V \)

What is the EMF of the galvanic cell:
\(Zn \mid Zn^{2+} \parallel Cu^{2+} \mid Cu\)?

  • (1) \(+1.10 \, V\)
  • (2) \(-1.10 \, V\)
  • (3) \(+0.42 \, V\)
  • (4) \(+0.76 \, V\)

Question 11:

How much water should be added to 100 mL of 1 M HCl to make it 0.25 M?

  • (1) 100 mL
  • (2) 200 mL
  • (3) 300 mL
  • (4) 400 mL

CUET Questions

  • 1.
    Find the value of \(E^\circ\) in the missing link in following diagram
    Find the value of E in the missing link in following diagram

      • \(E^{\circ}_3=-0.037V\)
      • \(E^{\circ}_3=-0.370V\)
      • \(E^{\circ}_3=-3.700V\)
      • \(E^{\circ}_3=-0.0037V\)

    • 2.
      Calculate the molality of KI if the density of 20% (mass/mass) aqueous solution of KI is (1)202 g mL$^{-1}$.
      (Molar mass of KI is 166 g mol$^{-1}$)

        • (1)5 mol kg$^{-1}$
        • (1)2 mol kg$^{-1}$
        • (1)5 mol kg$^{-1}$
        • 0.12 mol kg$^{-1}$

      • 3.
        The carbohydrate used as a storage molecule in plants is

          • Starch
          • Glycogen
          • Cellulose
          • Glucose

        • 4.
          The quantity of charge required to obtain 2 mol of Mn$^{2+}$ from MnO$_4^{-}$ is:

            • 2 F
            • 10 F
            • 5 F
            • 1 F

          • 5.
            In the cyanide extraction process of silver, the oxidising and reducing agents used are:

              • O$_2$ and CO respectively
              • O$_2$ and Zn dust respectively
              • H$_2$O and Zn dust respectively
              • H$_2$O and NaCN respectively

            • 6.
              The standard reduction potential for Sn$^{4+}$/Sn$^{2+}$ is +0.15 V and for Cr$^{3+}$/Cr is -0.74 V. These two half-cells, coupled in their standard states, are connected to make a cell. The galvanic cell can be correctly represented by:

                • Sn$^{2+}$(aq) | Sn$^{4+}$(aq) || Cr$^{3+}$(aq) | Cr(s)
                • Sn$^{4+}$(aq) | Sn$^{2+}$(aq) || Cr$^{3+}$(aq) | Cr(s)
                • Cr(s) | Cr$^{3+}$(aq) || Sn$^{4+}$(aq) | Sn$^{2+}$(aq)
                • Cr(s) | Cr$^{3+}$(aq) | Sn$^{2+}$(aq) || Sn$^{4+}$(aq)

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