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Chemistry · 2023 · 11 Apr · Shift 1

24 questions from this JEE Main paper

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2023 · 11 Apr · Shift 1
Chemistry

Chemistry · 2023 · 11 Apr · Shift 1

24 questions from this JEE Main paper

Haloalkanes and Haloarenes1 questions Aldehydes Ketones and Carboxylic Acids1 questions Coordination Compounds4 questions Structure of Atom1 questions Chemical Bonding and Molecular Structure1 questions Periodic Table and Periodicity1 questions Ionic Equilibrium1 questions Salt Analysis1 questions Basics of Organic Chemistry1 questions Compounds Containing Nitrogen1 questions P Block Elements1 questions Biomolecules1 questions Alcohols Phenols and Ethers3 questions Some Basic Concepts of Chemistry1 questions Solutions1 questions Chemical Kinetics and Nuclear Chemistry1 questions Chemical Equilibrium1 questions Thermodynamics1 questions Electrochemistry1 questions

Q1.Find out the correct statement from the options given below for the above 2 reactions. Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q2.'A' and 'B' in the above reactions are: Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q3.The complex that dissolves in water is :
Chemistry · Coordination Compounds · MCQ
Q4.Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : In the photoelectric effect, the electrons are ejected from the metal surface as soon as the beam of light of frequency…
Chemistry · Structure of Atom · MCQ
Q5.Match List - I with List - II: Choose the correct answer from the options given below: Includes table
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q6.For elements $B, C, N, Li, Be, O$ and $F$ , the correct order of first ionization enthalpy is
Chemistry · Periodic Table and Periodicity · MCQ
Q7. $25 mL$ of silver nitrate solution (1M) is added dropwise to $(1.05 M)$ of potassium iodide $(1.05 M)$ solution. The ion(s) present in very small quantity in the solution is/are :
Chemistry · Ionic Equilibrium · MCQ
Q8.When a solution of mixture having two inorganic salts was treated with freshly prepared ferrous sulphate in acidic medium, a dark brown ring was formed whereas on treatment with neutral $FeCl_{3}$ , it gave deep red colour which…
Chemistry · Salt Analysis · MCQ
Q9.Thin layer chromatography of a mixture shows the following observation: The correct order of elution in the silica gel column chromatography is Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q10.'X' is Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q11.For compound having the formula $GaAlCl_{4}$ , the correct option from the following is :
Chemistry · P Block Elements · MCQ
Q12.The set which does not have ambidentate ligand(s) is :
Chemistry · Coordination Compounds · MCQ
Q13.L-isomer of tetrose $X (C_{4} H_{8} O_{4})$ gives positive Schiff's test and has two chiral carbons. On acetylation, ' $X$ ' yields triacetate. ' $X$ ' also undergoes following… Includes diagram
Chemistry · Biomolecules · MCQ
Q14.Which of the following complex has a possibility to exist as meridional isomer?
Chemistry · Coordination Compounds · MCQ
Q15.Arrange the following compounds in increasing order of rate of aromatic electrophilic substitution reaction Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q16.A solution of sugar is obtained by mixing $25%$ of its $25%$ solution and $40%$ of its $40%$ solution (both by mass). The mass percentage of the resulting sugar solution is (Nearest…
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q17.0.004 M K $_{2}$ SO $_{4}$ solution is isotonic with 0.01 M glucose solution. Percentage dissociation of K $_{2}$ SO $_{4}$ is (Nearest integer)
Chemistry · Solutions · Numerical
Q18.The ratio of spin-only magnetic moment values $μ_{eff} [Cr (CN)_{6}]^{3 -} / μ_{eff} [Cr (H_{2} O)_{6}]^{3 +}$ is .
Chemistry · Coordination Compounds · Numerical
Q19. $KClO_{3} + 6 FeSO_{4} + 3 H_{2} SO_{4} \to KCl + 3 Fe_{2} (SO_{4})_{3} + 3 H_{2} O$ The above reaction was studied at $300 K$ by…
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q20.The number of hyperconjugation structures involved to stabilize carbocation formed in the above reaction is . Includes diagram
Chemistry · Alcohols Phenols and Ethers · Numerical
Q21.The ratio x/y on completion of the above reaction is . Includes diagram
Chemistry · Alcohols Phenols and Ethers · Numerical
Q22.A mixture of 1 mole of $H_{2} O$ and 1 mole of $CO$ is taken in a 10 litre container and heated to $40%$ . At equilibrium $40%$ of water by mass reacts with carbon monoxide according to the equation…
Chemistry · Chemical Equilibrium · Numerical
Q23.Solid fuel used in rocket is a mixture of $Fe_{2} O_{3}$ and $Al$ (in ratio 1 : 2). The heat evolved per gram of the mixture is . (Nearest integer) Given: $Δ H_{f}^{θ} (Al_{2} O_{3}) = - 1700 kJ mol^{- 1} Δ H_{f}^{θ} (Fe_{2} O_{3}) = - 840 kJ mol^{- 1}$ …
Chemistry · Thermodynamics · Numerical
Q24.In an electrochemical reaction of lead, at standard temperature, if $E^{0} (Pb^{2 +} / Pb) = m$ Volt and $E^{0} (Pb^{4 +} / Pb) = n$ Volt, then the…
Chemistry · Electrochemistry · Numerical