New chat PYQ Library Doubts Rank report

Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →

Chemistry · 2025 · 8 Apr · Shift 2

25 questions from this JEE Main paper

Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.

PYQ Library
JEE Main
Papers
2025 · 8 Apr · Shift 2
Chemistry

Chemistry · 2025 · 8 Apr · Shift 2

25 questions from this JEE Main paper

Periodic Table and Periodicity2 questions Coordination Compounds3 questions Basics of Organic Chemistry2 questions Chemical Kinetics and Nuclear Chemistry1 questions Structure of Atom2 questions Solutions2 questions Haloalkanes and Haloarenes3 questions Some Basic Concepts of Chemistry2 questions Compounds Containing Nitrogen1 questions D and F Block Elements1 questions Aldehydes Ketones and Carboxylic Acids2 questions Salt Analysis1 questions Electrochemistry1 questions Chemical Equilibrium1 questions Thermodynamics1 questions

Q1.The atomic number of the element from the following with lowest 1st ionisation enthalpy is :
Chemistry · Periodic Table and Periodicity · MCQ
Q2.Match the LIST-I with LIST-II Choose the correct answer from the options given below: Includes table
Chemistry · Coordination Compounds · MCQ
Q3.Match the LIST-I with LIST-II Choose the correct answer from the options given below: Includes table
Chemistry · Basics of Organic Chemistry · MCQ
Q4.In a first order decomposition reaction, the time taken for the decomposition of reactant to one fourth and one eighth of its initial concentration are $t_{1}$ and $t_{2}$ (s), respectively. The ratio $t_{1} / t_{2}$ will be:
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q5.Correct statements for an element with atomic number 9 are: A. There can be 5 electrons for which $m_{s} = + \frac{1}{2}$ and 4 electrons for which $m_{s} = - \frac{1}{2}$ . B. There is only one electron in $p_{z}$ orbital. C. The last electron…
Chemistry · Structure of Atom · MCQ
Q6. $HA (a q) ⇌ H^{+} (a q) + A^{-} (a q)$ The freezing point depression of a 0.1 m aqueous solution of a monobasic weak acid $H A$ is 0.20 °C. The dissociation constant for the acid is Given:…
Chemistry · Solutions · MCQ
Q7.What is the correct IUPAC name of the compound? Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q8.'P' is Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q9.On combustion 0.210 g of an organic compound containing C, H and O gave 0.127 g $H_{2} O$ and 0.307 g $C O_{2}$ . The percentages of hydrogen and oxygen in the given organic compound respectively are:
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q10.The number of species from the following that are involved in sp3d2 hybridization is : $[C o (N H_{3})_{6}]^{3 +}$ , $S F_{6}$ , $[C r F_{6}]^{3 -}$ , $[C o F_{6}]^{3 -}$ , $[M n (C N)_{6}]^{3 -}$ , and $[M n C l_{6}]^{3 -}$
Chemistry · Coordination Compounds · MCQ
Q11.Which of the following binary mixture does not show the behaviour of minimum boiling azeotropes?
Chemistry · Solutions · MCQ
Q12.Given below are two statements: Statement I: $H_{2} S e$ is more acidic than $H_{2} T e$ Statement II: $H_{2} S e$ has higher bond enthalpy for dissociation than $H_{2} T e$ In the light of the above statements, choose the correct answer from the options…
Chemistry · Periodic Table and Periodicity · MCQ
Q13. $A (i) NaH (i) H_{3} O^{+} B (i) EOH (ii) H_{2} SO_{4}, Δ C$ ' A ' shows positive…
Chemistry · Compounds Containing Nitrogen · MCQ
Q14.The correct decreasing order of spin only magnetic moment values (BM) of $C u^{+}$ , $C u^{2 +}$ , $C r^{2 +}$ and $C r^{3 +}$ ions is :
Chemistry · D and F Block Elements · MCQ
Q15.Given below are two statements: Statement I: A homoleptic octahedral complex, formed using monodentate ligands, will not show stereoisomerism. Statement II: cis- and trans- platin are heteroleptic complexes of Pd. In the light of the above…
Chemistry · Coordination Compounds · MCQ
Q16.When undergoes intramolecular aldol condensation, the major product formed is : Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q17.Choose the correct set of reagents for the following conversion. Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q18.Which one of the following reactions will not lead to the desired ether formation in major proportion? (iso- $Bu \Rightarrow$ isobutyl, sec $- Bu \Rightarrow$ sec-butyl, $nPr \Rightarrow n$ -propyl, $^{t} Bu \Rightarrow tert-butyl, Et \Rightarrow ethyl)$ …
Chemistry · Haloalkanes and Haloarenes · MCQ
Q19.Match the LIST-I with LIST-II Choose the correct answer from the options given below: Includes table
Chemistry · Salt Analysis · MCQ
Q20.Choose the correct option for structures of $A$ and $B$ , respectively Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q21.Consider the following half cell reaction $Cr_{2} O_{7}^{2 -} (aq) + 6 e^{-} + 14 H^{+} (aq) \to 2 Cr^{3 +} (aq) + 7 H_{2} O (ℓ)$ The reaction was conducted with…
Chemistry · Electrochemistry · Numerical
Q22.The energy of an electron in the first Bohr orbit of the H-atom is -13.6 eV. The magnitude of energy value of an electron in the first excited state of $B e^{3 +}$ is eV (nearest integer value).
Chemistry · Structure of Atom · Numerical
Q23.The equilibrium constant for decomposition of $H_{2} O(g) H_{2} O(g) ⇌ H_{2} (g) + \frac{1}{2} O_{2} (g) (Δ G^{\circ} = 92.34 kJ mol^{- 1})$ is $8.0 \times 1 0^{- 3}$ …
Chemistry · Chemical Equilibrium · Numerical
Q24.20 mL of sodium iodide solution gave 4.74 g silver iodide when treated with excess of silver nitrate solution. The molarity of the sodium iodide solution is M. (Nearest Integer value) (Given : Na = 23, I = 127,…
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q25.Resonance in $X_{2} Y$ can be represented as The enthalpy of formation of $X_{2} Y (X = X (g) + \frac{1}{2} Y = Y (g) \to X_{2} Y (g))$ is 80 kJ mol $^{- 1}$ . The magnitude of resonance energy of $X_{2} Y$ is __ kJ… Includes diagram
Chemistry · Thermodynamics · Numerical