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Chemistry · 2024 · 9 Apr · Shift 1

30 questions from this JEE Main paper

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2024 · 9 Apr · Shift 1
Chemistry

Chemistry · 2024 · 9 Apr · Shift 1

30 questions from this JEE Main paper

Hydrocarbons1 questions Electrochemistry2 questions Periodic Table and Periodicity1 questions Solutions1 questions Aldehydes Ketones and Carboxylic Acids2 questions Biomolecules2 questions Practical Organic Chemistry1 questions D and F Block Elements2 questions Chemical Bonding and Molecular Structure2 questions Basics of Organic Chemistry5 questions P Block Elements2 questions Coordination Compounds2 questions Structure of Atom1 questions Haloalkanes and Haloarenes2 questions Chemical Kinetics and Nuclear Chemistry1 questions Thermodynamics2 questions Some Basic Concepts of Chemistry1 questions

Q1.Identify the product A and product B in the following set of reactions. Includes diagram
Chemistry · Hydrocarbons · MCQ
Q2.The molar conductivity for electrolytes $A$ and $B$ are plotted against $C^{3/2}$ as shown below. Electrolytes $A$ and $B$ respectively are: Includes diagram
Chemistry · Electrochemistry · MCQ
Q3.Given below are two statements : Statement (I) : The oxidation state of an element in a particular compound is the charge acquired by its atom on the basis of electron gain enthalpy consideration from other atoms in the molecule. Statement…
Chemistry · Periodic Table and Periodicity · MCQ
Q4. $0.05 M CuSO_{4}$ when treated with $0.01 M K_{2} Cr_{2} O_{7}$ gives green colour solution of $Cu_{2} Cr_{2} O_{7}$ . The two solutions are separated as shown below :… Includes diagram
Chemistry · Solutions · MCQ
Q5.Identify major product "X" formed in the following reaction : Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q6.The $F^{-}$ ions make the enamel on teeth much harder by converting hydroxyapatite (the enamel on the surface of teeth) into much harder fluoroapatite having the formula.
Chemistry · Biomolecules · MCQ
Q7.Identify the incorrect statements regarding primary standard of titrimetric analysis. (A) It should be purely available in dry form. (B) It should not undergo chemical change in air. (C) It should be hygroscopic and should react with…
Chemistry · Practical Organic Chemistry · MCQ
Q8.What is the structure of C? Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q9.The electronic configuration of $Cu (II)$ is $3 d^{9}$ whereas that of $Cu (I)$ is $3 d^{10}$ . Which of the following is correct?
Chemistry · D and F Block Elements · MCQ
Q10.In which one of the following pairs the central atoms exhibit $sp^{2}$ hybridization ?
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q11.Relative stability of the contributing structures is : Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q12.Correct order of basic strength of Pyrrole , Pyridine and Piperidine is : Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q13.For the given compounds, the correct order of increasing $pK_{a}$ value : Choose the correct answer from the options given below : Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q14.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Both rhombic and monoclinic sulphur exist as $S_{8}$ while oxygen exists as $O_{2}$ . Reason (R) :…
Chemistry · P Block Elements · MCQ
Q15.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The total number of geometrical isomers shown by $[Co (en)_{2} Cl_{2}]^{+}$ complex ion is…
Chemistry · Coordination Compounds · MCQ
Q16.Methods used for purification of organic compounds are based on :
Chemistry · Basics of Organic Chemistry · MCQ
Q17.Compare the energies of following sets of quantum numbers for multielectron system. (A) $n = 4, 1 = 1$ (B) $n = 4, 1 = 2$ (C) $n = 3, l = 1$ (D) $n = 3, 1 = 2$ (E) $n = 4, 1 = 0$ Choose the correct answer from the…
Chemistry · Structure of Atom · MCQ
Q18.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : $S_{N} 2$ reaction of $C_{6} H_{5} CH_{2} Br$ occurs more readily…
Chemistry · Haloalkanes and Haloarenes · MCQ
Q19.On reaction of Lead Sulphide with dilute nitric acid which of the following is not formed?
Chemistry · P Block Elements · MCQ
Q20.In the following sequence of reaction, the major products B and C respectively are : Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q21.The standard reduction potentials at $298 K$ for the following half cells are given below : $Cr_{2} O_{7}^{2 -} + 14 H^{+} + 6 e^{-} \to 2 Cr^{3 +} + 7 H_{2} O, E^{\circ} = 1.33 V Fe^{3 +} (aq) + 3 e^{-} \to Fe Ni^{2 +} (aq) + 2 e^{-} \to Ni Ag^{+} (aq) + e^{-} \to Ag Au^{3 +} (aq) + 3 e^{-} \to Au E^{\circ} = - 0.04 V E^{\circ} = - 0.25 V E^{\circ} = 0.80 V E^{\circ} = 1.40 V$ …
Chemistry · Electrochemistry · Numerical
Q22.Total number of essential amino acid among the given list of amino acids is . Arginine, Phenylalanine, Aspartic acid, Cysteine, Histidine, Valine, Proline
Chemistry · Biomolecules · Numerical
Q23.Number of ambidentate ligands among the following is . $NO_{2}^{-}, SCN^{-}, C_{2} O_{4}^{2 -}, NH_{3}, CN^{-}, SO_{4}^{2 -}, H_{2} O .$
Chemistry · Coordination Compounds · Numerical
Q24.Number of colourless lanthanoid ions among the following is . $Eu^{3 +}, Lu^{3 +}, Nd^{3 +}, La^{3 +}, Sm^{3 +}$
Chemistry · D and F Block Elements · Numerical
Q25.The total number of species from the following in which one unpaired electron is present, is . $N_{2}, O_{2}, C_{2}^{-}, O_{2}^{-}, O_{2}^{2 -}, H_{2}^{+}, CN^{-}, He_{2}^{+}$ …
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q26.Given below are two statements : Statement I : The rate law for the reaction $A + B \to C$ is rate $(r) = k [A]^{2} [B]$ . When the concentration of both $A$ and $B$ is doubled, the reaction rate is increased " $x$ "… Includes diagram
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q27.How many compounds among the following compounds show inductive, mesomeric as well as hyperconjugation effects? Includes diagram
Chemistry · Basics of Organic Chemistry · Numerical
Q28.When equal volume of $1 M HCl$ and $1 M H_{2} SO_{4}$ are separately neutralised by excess volume of $1 M NaOH$ solution. $x$ and $y kJ$ of heat is liberated…
Chemistry · Thermodynamics · Numerical
Q29.The heat of solution of anhydrous $CuSO_{4}$ and $CuSO_{4} \cdot 5 H_{2} O$ are $- 70 kJ mol^{- 1}$ and $+ 12 kJ mol^{- 1}$ respectively. The heat of hydration of $CuSO_{4}$ …
Chemistry · Thermodynamics · Numerical
Q30.Molarity $(M)$ of an aqueous solution containing $x g$ of anhyd. $CuSO_{4}$ in $500 mL$ solution at $3 2^{\circ} C$ is $2 \times 1 0^{- 1} M$ . Its molality will be $\times 1 0^{- 3} m$ …
Chemistry · Some Basic Concepts of Chemistry · Numerical