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Chemistry · 2024 · 29 Jan · Shift 2

30 questions from this JEE Main paper

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2024 · 29 Jan · Shift 2
Chemistry

Chemistry · 2024 · 29 Jan · Shift 2

30 questions from this JEE Main paper

P Block Elements1 questions Biomolecules1 questions D and F Block Elements3 questions Periodic Table and Periodicity3 questions Basics of Organic Chemistry3 questions Structure of Atom1 questions Aldehydes Ketones and Carboxylic Acids2 questions Practical Organic Chemistry1 questions Compounds Containing Nitrogen2 questions Coordination Compounds1 questions Alcohols Phenols and Ethers2 questions Haloalkanes and Haloarenes1 questions Chemical Bonding and Molecular Structure2 questions Thermodynamics1 questions Some Basic Concepts of Chemistry2 questions Chemical Equilibrium1 questions Electrochemistry1 questions Chemical Kinetics and Nuclear Chemistry1 questions Redox Reactions1 questions

Q1.On passing a gas, ' $X$ ', through Nessler's regent, a brown precipitate is obtained. The gas ' $X$ ' is
Chemistry · P Block Elements · MCQ
Q2.Match List I with List II Choose the correct answer from the options given below: Includes table
Chemistry · Biomolecules · MCQ
Q3.Which of the following acts as a strong reducing agent? (Atomic number: $Ce = 58, Eu = 63, Gd = 64, Lu = 71$ )
Chemistry · D and F Block Elements · MCQ
Q4.Given below are two statements: Statement I : Fluorine has most negative electron gain enthalpy in its group. Statement II : Oxygen has least negative electron gain enthalpy in its group. In the light of the above statements, choose the…
Chemistry · Periodic Table and Periodicity · MCQ
Q5.According to IUPAC system, the compound is named as Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q6.Match List I with List II Choose the correct answer from the options given below: Includes table
Chemistry · Structure of Atom · MCQ
Q7.The element having the highest first ionization enthalpy is
Chemistry · Periodic Table and Periodicity · MCQ
Q8.Which of the following statements are correct about $Zn, Cd$ and $Hg$ ? A. They exhibit high enthalpy of atomization as the d-subshell is full. B. $Zn$ and $Cd$ do not show variable oxidation…
Chemistry · D and F Block Elements · MCQ
Q9.The ascending acidity order of the following H atoms is Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q10.The correct IUPAC name of $K_{2} MnO_{4}$ is
Chemistry · D and F Block Elements · MCQ
Q11.Identify the reagents used for the following conversion Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q12.Chromatographic technique/s based on the principle of differential adsorption is / are A. Column chromatography B. Thin layer chromatography C. Paper chromatography Choose the most appropriate answer from the options given below:
Chemistry · Practical Organic Chemistry · MCQ
Q13.Which of the following reaction is correct?
Chemistry · Compounds Containing Nitrogen · MCQ
Q14.Anomalous behavior of oxygen is due to its
Chemistry · Periodic Table and Periodicity · MCQ
Q15.Which one of the following will show geometrical isomerism?
Chemistry · Basics of Organic Chemistry · MCQ
Q16.A reagent which gives brilliant red precipitate with Nickel ions in basic medium is
Chemistry · Coordination Compounds · MCQ
Q17.Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolyzed in presence of an acid results
Chemistry · Alcohols Phenols and Ethers · MCQ
Q18.Match List I with List II Choose the correct answer from the options given below: Includes table
Chemistry · Alcohols Phenols and Ethers · MCQ
Q19.The product A formed in the following reaction is Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q20.Alkyl halide is converted into alkyl isocyanide by reaction with
Chemistry · Haloalkanes and Haloarenes · MCQ
Q21.The total number of molecules with zero dipole moment among $CH_{4}, BF_{3}, H_{2} O, HF, NH_{3}, CO_{2}$ and $SO_{2}$ is .
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q22.Standard enthalpy of vapourisation for $CCl_{4}$ is $30.5 kJ mol^{- 1}$ . Heat required for vapourisation of $CCl_{4}$ of $CCl_{4}$ at constant temperature is $kJ$ .…
Chemistry · Thermodynamics · Numerical
Q23.If $0.5 M$ of $0.5 M$ oxalic acid is required to neutralise $NaOH$ of $NaOH$ solution, the amount of $NaOH$ in $NaOH$ of given $NaOH$ solution is…
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q24.The following concentrations were observed at $NH_{3}$ for the formation of $NH_{3}$ from $N_{2}$ and $H_{2}$ . At equilibrium ; $[N_{2}] = 2 \times 1 0^{- 2} M, [H_{2}] = 3 \times 1 0^{- 2} M$ …
Chemistry · Chemical Equilibrium · Numerical
Q25.A constant current was passed through a solution of $AuCl_{4}^{-}$ ion between gold electrodes. After a period of 10.0 minutes, the increase in mass of cathode was $1.314 g$ . The total charge passed through the solution is…
Chemistry · Electrochemistry · Numerical
Q26.The total number of anti bonding molecular orbitals, formed from $2 s$ and $2 p$ atomic orbitals in a diatomic molecule is .
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q27.The half-life of radioisotope bromine - 82 is 36 hours. The fraction which remains after one day is $\times 1 0^{- 2}$ . (Given antilog $0.2006 = 1.587$ )
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q28.The total number of 'Sigma' and 'Pi' bonds in 2-formylhex-4-enoic acid is .
Chemistry · Aldehydes Ketones and Carboxylic Acids · Numerical
Q29.The oxidation number of iron in the compound formed during brown ring test for NO $_{3}^{-}$ iron is .
Chemistry · Redox Reactions · Numerical
Q30.Molality of 0.8 M H $_{2}$ SO $_{4}$ solution (density 1.06 g cm $^{- 3}$ ) is $\times 1 0^{- 3}$ m.
Chemistry · Some Basic Concepts of Chemistry · Numerical