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Chemistry · 2025 · 22 Jan · Shift 1

24 questions from this JEE Main paper

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2025 · 22 Jan · Shift 1
Chemistry

Chemistry · 2025 · 22 Jan · Shift 1

24 questions from this JEE Main paper

Electrochemistry2 questions Haloalkanes and Haloarenes1 questions Compounds Containing Nitrogen2 questions Coordination Compounds2 questions Aldehydes Ketones and Carboxylic Acids1 questions Periodic Table and Periodicity2 questions Chemical Equilibrium1 questions Basics of Organic Chemistry4 questions Thermodynamics1 questions D and F Block Elements1 questions Hydrocarbons1 questions Solutions1 questions Biomolecules1 questions Structure of Atom1 questions Chemical Bonding and Molecular Structure1 questions Redox Reactions1 questions Chemical Kinetics and Nuclear Chemistry1 questions

Q1.Which of the following electrolyte can be used to obtain $H_{2} S_{2} O_{8}$ by the process of electrolysis ?
Chemistry · Electrochemistry · MCQ
Q2.Given below are two statements : Statement I : $CH_{3} - O - CH_{2} - Cl$ will undergo $S_{N} 1$ reaction though it is a primary halide. Statement II : will not undergo $S_{N} 2$ … Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q3.The products formed in the following reaction sequence are : Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q4.From the magnetic behaviour of $[NiCl_{4}]^{2 -}$ (paramagnetic) and $[Ni (CO)_{4}]$ (diamagnetic), choose the correct geometry and oxidation state.
Chemistry · Coordination Compounds · MCQ
Q5.The compounds which give positive Fehling's test are : Choose the correct answer from the options given below : Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q6.Match List-I with List-II. Choose the correct answer from the options given below : Includes table
Chemistry · Periodic Table and Periodicity · MCQ
Q7.A vessel at 1000 K contains $CO_{2}$ with a pressure of 0.5 atm . Some of $CO_{2}$ is converted into CO on addition of graphite. If total pressure at equilibrium is 0.8 atm , then Kp is :
Chemistry · Chemical Equilibrium · MCQ
Q8.A solution of aluminium chloride is electrolysed for 30 minutes using a current of 2 A . The amount of the aluminium deposited at the cathode is . [Given : molar mass of aluminium and chlorine are $27 g mol^{- 1}$ …
Chemistry · Electrochemistry · MCQ
Q9.How many different stereoisomers are possible for the given molecule? Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q10.A liquid when kept inside a thermally insulated closed vessel at $2 5^{\circ} C$ was mechanically stirred from outside. What will be the correct option for the following thermodynamic parameters ?
Chemistry · Thermodynamics · MCQ
Q11.Lanthanoid ions with $4 f^{7}$ configuration are : (A) $Eu^{2 +}$ (B) $Gd^{3 +}$ (C) $Eu^{3 +}$ (D) $Tb^{3 +}$ (E) $Sm^{2 +}$ Choose the correct answer from the options given below :
Chemistry · D and F Block Elements · MCQ
Q12.The incorrect statements regarding geometrical isomerism are : (A) Propene shows geometrical isomerism. (B) Trans isomer has identical atoms/groups on the opposite sides of the double bond. (C) Cis-but-2-ene has higher dipole moment than…
Chemistry · Basics of Organic Chemistry · MCQ
Q13.Given below are two statements : Statement I : One mole of propyne reacts with excess of sodium to liberate half a mole of $H_{2}$ gas. Statement II : Four g of propyne reacts with $NaNH_{2}$ to liberate $NH_{3}$ gas…
Chemistry · Hydrocarbons · MCQ
Q14.Which of the following electronegativity order is incorrect?
Chemistry · Periodic Table and Periodicity · MCQ
Q15.Arrange the following solutions in order of their increasing boiling points. (i) $1 0^{- 4} M NaCl$ (ii) $1 0^{- 4} M$ Urea (iii) $1 0^{- 3} M NaCl$ (iv) $1 0^{- 2} M NaCl$
Chemistry · Solutions · MCQ
Q16.In which of the following complexes the CFSE, $Δ_{o}$ will be equal to zero?
Chemistry · Coordination Compounds · MCQ
Q17.Which of the following acids is a vitamin ?
Chemistry · Biomolecules · MCQ
Q18.Radius of the first excited state of Helium ion is given as : $a_{0} \to$ radius of first stationary state of hydrogen atom.
Chemistry · Structure of Atom · MCQ
Q19.The IUPAC name of the following compound is : Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q20.Consider the following sequence of reactions : Molar mass of the product formed $(A)$ is $g mol^{- 1}$ . Includes diagram
Chemistry · Compounds Containing Nitrogen · Numerical
Q21.The number of molecules/ions that show linear geometry among the following is . $SO_{2}, BeCl_{2}, CO_{2}, N_{3}^{-}, NO_{2}, F_{2} O, XeF_{2}, NO_{2}^{+}, I_{3}^{-}, O_{3}$ …
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q22.Some $CO_{2}$ gas was kept in a sealed container at a pressure of 1 atm and at 273 K . This entire amount of $CO_{2}$ gas was later passed through an aqueous solution of $Ca (OH)_{2}$ . The excess unreacted $Ca (OH)_{2}$ …
Chemistry · Redox Reactions · Numerical
Q23.In Carius method for estimation of halogens, 180 mg of an organic compound produced 143.5 mg of AgCl . The percentage composition of chlorine in the compound is %. (Given : molar mass in $g mol^{- 1}$ …
Chemistry · Basics of Organic Chemistry · Numerical
Q24. $A \to B$ The molecule A changes into its isomeric form B by following a first order kinetics at a temperature of 1000 K . If the energy barrier with respect to reactant energy for such isomeric transformation is $191.48 kJ mol^{- 1}$ …
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical